Ydinsulkusopimuksen tulevaisuus (The future of the Non-Proliferation Treaty), edited together with Olli-Pekka Jalonen (own articles on the treaty itself and the North Korean case), TAPRI Occasional Paper No. 63, 1995, 96 pp.
Maailma myllerryksessä. Analyysejä kylmän sodan jälkeisestä maailmasta. (The world in turmoil. Analyses on the post-Cold War world), TAPRI Research Report No. 62. 1995, 237 pp.
Miten rauhantutkimus tuli Suomeen (How peace research came to Finland), TAPRI Research Report, No. 62, 1995, 85 pp.
Evaluation of the development of Finnish Red Cross´s youth activities, with particular reference to the pilot project “from need to action”, The Finnish Red Cross, July 1995, 26 pp.
Suomalaisesta rauhanajattelusta (On Finnish peace thinking), UNESCO-kuriiri No 5, 1995, pp. 5-6.
25 vuotta TAPRIn taivalta. Tapri Occasional Paper No. 67. 1996, 57 pp. (25 years of TAPRI performance); background data, information and statistics on TAPRI’s history, 1970-1995.
The United Nations and the Middle East, in Beyond Barcelona: Europe and the Middle East in the Mediterranean International Relations, ed. by Tuomo Melasuo. TAPRI Research Report No. 66, 1995, pp. 123-133.
Bosnian Elections: OSCE´s Contribution to Peace (Editorial), OSCE Review No. 3, 1996, p. 2.
Rauhanturvaaminen valinkauhassa: Mikä perinteistä pitää, minkä on muututtava (Peace-keeping in transition: what traditions remain valid, what have to change, in Sinibaretista sinikypärään (From Blue berets to Blue helmets), ed. by Petri Kekäle, MTS, Helsinki 1996, pp. 81-85.
Turvallisuusyhteisöjen rakentuminen rauhantutkimuksen haasteena: yleistä teoriaa ja yksi esimerkki (The formation of security communities as a challenge to peace research: theoretical aspects and one case), in Eurooppa laidasta laitaan. Taprin opas Euroopan ymmärtämiseen (Europe from one corner to the other. TAPRI’s guide to understand Europe), ed. by Pirjo Jukarainen. TAPRI Occasional Paper No. 69, 1996, pp. 11-25. – The article uses Karl Deutsch’s concepts and focuses on the Baltic Sea region as the empirical case.
Rauhantutkimuksesta ja rauhanajattelusta (On peace research and peace thinking), TAPRI Occasional Paper No. 71, 1997, 34 pp.
Epilogi: Mitä ideaa on tarkastella ristiretkiä rauhantutkimuksessa? (Epilogue: What sense does it make to study the Crusades in peace research?), in Eurooppa tänään. 900 vuotta ristiretkien perintöä (Europe today: 900 years of the heritage of the Crusades, ed. by Aini Linjakumpu. TAPRI Occasional Paper No. 72, 1997, pp. 91-101.
Bridging the Baltic – need for cooperative security in the Baltic Sea region (Editorial), OSCE Review Vol. 5, No 3, 1997, p. 2.
Euroopan turvallisuus valinkauhassa. Silmäyksiä Suomen ja Euroopan uusiin haasteisiin (European security in the making. Observations on the new challenges faced by Finland and Europe), TAPRI Occasional Paper No. 74, 1997, 67 pp.
Finland, Sweden, and the European Union (together with Pertti Pesonen), TAPRI Research Report No. 77, 1998, 63 pp.
“What is Old, What is New in the Transnational Contacts of Local Authorities? Some Notes on Recent Developments in the Baltic Sea Region”, in From Town to Town. Local Authorities as Transnational Actors, ed. by Christian Wellmann, Kiel Peace Research Series, Vol. 8, 1998, pp. 51-59.
(Editor of) YYA. Aika ja sopimus (FCMA. The time and the treaty). TAPRI Research Report No. 81, 1998, 165 pp. (A collection of eleven articles on the FCMA treaty between Finland and the USSR, in force, 1948-1991). In addition to preface, own contribution “Suomalaisten suhtautuminen yya:han” (On the opinions of Finns about the treaty), pp. 107-127.
Prospects of Security Communities: On the Relevance of Karl W. Deutsch´s Contribution, in Peace Research, Vol. 31, No 1, February 1999, pp. 18-25.
Kosovo – NATOn oikeutettu sota? (Kosovo – NATO´s just war?), Ydin 3, 1999, 14-16 (in Finnish only).
Kosovon sodan opetuksista (On the lessons of the Kosovo War), Ulkopolitiikka 3, 1999, pp. 108-112 (in Finnish only).
(Ed.) Democratic Security Building: Cases from the Baltic and Black Sea Regions. TAPRI Occasional Paper No. 83, 2000, 170 pp.; my own article “On the Challenges of Democratic Security Building”, pp. 7-12.
(Together with Frank Möller) Security community in the Baltic Sea region? Recent debate and recent trends, 2002 (manuscript, report for the MFA, mimeo) 174 pp.
(Ed.) Maailman tutkimisesta ja muuttamisesta. Studying the world and changing it. Per studia mundus explicatur et mutatur. Festschrift for Jyrki Käkönen. Tampere: TAPRI, 2003, 384 pp.
(Together with Frank Möller) Security community in the Baltic Sea region? Recent debate and recent trends, Tampere: TAPRI Occasional Paper No. 88, 2003, 199 pp.
Voiko YK turvata rauhan? (Can the UN provide peace?), in Vuosituhatjulistuksen rauhan ja kehityksen tavoitteet (The peace and development goals in the Millennium Declaration), ed. Sinikka Koski, Vaasa: Finnish UN Association 2003, pp. 67-79 (in Finnish only).
(Ed.) Kosmopolis 2/2003 (Special issue on the war in Iraq; in Finnish only), 94 pp.
Irakin sota – sekoitus vanhaa ja uutta (War in Iraq – a mix of old and new; in Finnish only), Kosmopolis 2, 2003, pp. 3-10.
Nordic Peace Research Conferences: Past Experiences and Future Challenges, in Konstantin K. Khudoley (ed.) New Security Challenges as Challenges to Peace Research, St.Petersburg: Saint Petersburg University Press. St.Petersburg Peace Research Series, 2004, Issue nr. 1, pp. 6-11.
Kaliningrad: Transforming a ‘threat’ into a ‘Challenge’ and ‘Opportunity’, in Konstantin K. Khudoley (ed.) New Security Challenges as Challenges to Peace Research, St.Petersburg: Saint Petersburg University Press. St.Petersburg Peace Research Series, 2004, Issue nr. 1, pp. 269-280.
(Ed.) Global Commissions Assessed. Helsinki: The Ministry for Foreign Affairs. Helsinki Process Publications Series 4/2005, 139 pp.
Global Commissions Added Value, in Unto Vesa (ed.), Global Commissions Assessed. Helsinki: The Ministry for Foreign Affairs. Helsinki Process Publications Series 4/2005, pp. 121-138.
(Together with Eeva Puumala) The Twenty Years’ Journal: Instant / Current Research on Peace and Violence 1971-1990. Tampere Peace Research Institute. Occasional Paper No 93, 2006, 30 pp.
Minne lie vie rauhantutkimuksen tie – jatkoa quo vadis-keskusteluun (Whither peace research – continuing the debate on quo vadis), Kosmopolis Vol. 36: 1-2006, pp. 56-66.
The European Union as a peace project – What does it mean today?, in The National Interest (Tirana), Number 1, Spring 2007, pp. 31-36.
Euroopan unioni rauhanprojektina – Mitä se tänään merkitsee? (The European Union as a peace project – What does it mean today?), in Rooman sopimus 50 vuotta – suomalaisia näkökulmia Euroopan kehitykseen, ed. by Olli Korhonen. Vantaa: Schuman-seura ry. 2007, pp. 145-154.
(Ed.) Tutkiva diplomaatti. Klaus Törnudd 75. Tampere: Kansainvälisten suhteiden tutkimuksen seura KATSE 2007, 132 pp. and there the introductory article ‘Klaus Törnudd – Primus Inter Pares’, pp. 4-7.
(Ed. with Jouko Huru), The Role of Civil Society in Conflict Resolution. Asian and European Perspectives. TAPRI Occasional Paper No. 95, 2007, 159 pp., and introduction as well as my own article in it ‘On the Role of Civil Society in the Peaceful Transformation of the Baltics’, pp. 67-80.
Continuity and Change in the Finnish Debate on Peacekeeping, in International Peacekeeping, Vol. 14, No. 4, August 2007, pp. 524-537.
On the Importance of Peace Education, in Education for Global Responsibility – Finnish Perspectives (Ed. by Taina Kaivola and Monica Melén-Paaso), Helsinki: Publications of the Ministry of Education 2007: 31, pp. 47-56.
Syyskuun yhdestoista oli massamurha, ei mikään vallankumous (September 11 was a mass murder, not a revolution), Kosmopolis 4/2007, pp. 67-69.
Miten aseidenriisunnan tielle voidaan palata? (How to get back to the road to disarmament?), in EU-Suomen turvallisuuspolitiikka (The security policy of EU Finland), ed. by Seija Korhonen and Pirjo Riihelä, Helsinki 2008, pp. 43-51.
(Ed.) Maailmanyhteisö – Världssamfundet, Kosmopolis 1/2008 (a Festschrift for Professor emeritus Göran von Bonsdorff on his 90th birthday), 105 pp.; and there the articles ‘Göran von Bonsdorff – suomalaisen rauhantutkimuksen grand old man (Göran von Bonsdorff – the grand old man of Finnish peace research), and ‘Kuinka monta sotaa, kuinka monta kuollutta, kuinka monta rauhaa?’ (How many wars, how many dead, how many peace deals?), pp. 5-7 and 66-73 respectively.
Göran von Bonsdorff – den finländska fredsforskningens Grand Old Man, Fredsposten 2, 2008, pp. 6-7.
Tieteen ilo ja SoleTM (The joy of research and SoleTM), Aikalainen Nro 13,2008, p. 5.
An Assessment of the Helsinki Process on Globalisation and Democracy, julkaisussa Final Report of the Helsinki Process on Globalisation and Democracy. A Case for Multi-Stakeholder Cooperation. Helsinki: Finnish Ministry for Foreign Affairs 2008, pp. 73-82.
Hur många krig, hur många döda, hur många freder? Fredsposten 3.2008, s. 28-30, 35.
How many wars, how many dead, how many peace deals, in Building Peace by International Dialogue. Construction de la Paix par le Dialogue Interculturel, ed. by Kirsi Henriksson & Anitta Kynsilehto. Tampere: Tampere Peace Research Institute. Occasional Paper No. 97, 2008, pp. 115-125.
Complex Humanitarian Emergencies, International Rotary Institute, http://www.rotary.fi/1390/public_html/Institute2008Presentations/Institute/0410_Zone_Institute/11_Complex_Humanitarian_Crisis_2008.pdf.
Suomalainen väkivalta (Finnish violence; editorial), Kosmopolis Vol. 38: 4/2008 , pp. 5-7.
(Ed.) Kosmopolis (A thematic issue on Finnish violence), Vol. 38: 4/2008 63 pp.
(Ed., with Chinsoo Bae) Territorial Issues in Europe and East Asia: Colonialism, War Occupation, and Conflict Resolution. Seoul: Northeast Asian History Foundation, 2009, 236 pp.; Introduction (with Chinsoo Bae), pp. 8-11, and my own article The Åland Islands as a Conflict Resolution model, pp. 34-59.
Feedbackiä, Aikalainen 14/2009, p. 4.
Tamperelaisesta kansainvälisen politiikan tutkimuksesta (On IR research in Tampere), KATSE jäsenkirje 1/2009, pp. 19 – 20.
Göran von Bonsdorff in memoriam, KATSE jäsenkirje 2/2009, pp. 24 – 26.
Rauhan tutkimisesta ja sen saavuttamisen mahdollisuuksista (On the study of peace and how to reach it), in Näkökulmia kansainvälisen politiikan tutkimukseen (Perspective on the study of international politics), (ed. by Vilho Harle), Studia Politica Tamperensia 18, Tampereen yliopiston politiikan tutkimuksen laitos 2010, pp. 275-308.
Miten eheyttää rikkoutunut yhteiskunta (How to heal a broken society), in Tarinoita rauhanrakentajista (Stories about peacebuilders), (ed. by. Anna Hyvärinen), Suomen Ekumeeninen Neuvosto 2010, pp. 14 – 15.
Rauhaa voi edistää monin tavoin (Peace can be promoted in many ways), Etusivu. Opetus- ja kulttuuriministeriön verkkolehti (The web-paper of the Ministry of Education and Culture) http://www.minedu.fi/etusivu/arkisto/2010/2608/globaalivastuu.html?lang=fi, 26.8.2010, pp. 1-3.
Afganistanin operaation legitimiteetti? (The legitimacy of the operation in Afghanistan?), Kosmopolis 1/2010, pp. 65-73.
Kansainvälisen politiikan alkuvaiheista Tampereen yliopistossa – ja omasta pikku roolistani siinä (On the early phases of teaching IR at the university of Tampere – and about my own little role in it), in Ruudusta Raunioon. Valtio-opin ja kansainvälisen politiikan opetus YKK:ssa ja Tampereen yliopistossa 1925-2010, ed. by Olavi Borg. Tampere: University of Tampere 2011, pp. 71-82.
Suomi, Eurooppa, maailma: kansallinen, alueellinen ja globaali Karl W. Deutschin tuotannossa (Finland, Europe, world: national, regional and global in the publications of Karl W. Deutsch), in Maailma kansainvälisten suhteiden tutkimuksen haasteena. Juhlakirja Harto Hakovirran täyttäessä 70 vuotta (The world as the challenge of IR research. Festschrift for Harto Hakovirta on his 70th birthday), eds. Hiski Haukkala – Eero Palmujoki – Juha A. Vuori. Helsinki: Finnish Political Science Association 2011, pp. 55-70.
(Together with Eeva Puumala) Rauhaan tutkien – Rauhantutkimus – Kosmopolis. 40 vuotta suomalaista rauhantutkimusta lehden kuvastimessa (40 years of Finnish peace research in the mirror of the journal of the FPRA). Tampere: Finnish Peace Research Association, 71 pp.
Rauhaan tutkien: tiedelehden alkutaival (Towards peace: the early phase of a scholarly journal), in Eeva Puumala – Unto Vesa, Rauhaan tutkien – Rauhantutkimus – Kosmopolis. 40 vuotta suomalaista rauhantutkimusta lehden kuvastimessa. Tampere: Finnish Peace Research Association, pp. 5-11.
Pan-European Security Architecture: Present Situation and Future Perspectives, inEuro-Asian Security after 2010: challenges and perspectives of cooperation, eds. Helena Rytövuori-Apunen and Aidar Amrebayev. Almaty: Zhibek Zholy 2011, pp. 41-49.
Overview of confidence and security building measures at work, in Euro-Asian Security after 2010: challenges and perspectives of cooperation, eds. Helena Rytövuori-Apunen and Aidar Amrebayev. Almaty: Zhibek Zholy 2011, pp. 78-86.
“Europe and the World” – The 7th EuPRA General Conference in Tampere”, IPRA News, Issue No 3, Nov 2011, pp. 6-7.
Tampereen Paasikivi-Seuran esitelmät (Speeches delivered at the Paasikivi Society of Tampere in1963-2012; list). Tampere: Tampereen Paasikivi-Seura, 2012, 21 pp. (mimeo).
Finland in the United Nations. Consistent and Credible Constructivism. Finnish Foreign Policy Papers 2, October 2012. Helsinki: The Finnish Institute of International Affairs; http://www.fiia.fi/fi/publication/290/finland_in_the_united_nations/
On the Reconstruction of Broken Societies – Yugoslavia as a case study, in A Peaceful World is Possible, ed. by Attila Fábián. Sopron: University of West Hungary Press, 2012, pp. 135-138.
YK ja rauhanjärjestöt (The UN and peace organizations), in Rauhan ytimessä (In the nucleus of peace). Ed. Johanna Sumuvuori, Helsinki: Into 2013, pp. 143-150.
The United Nations and the Peace Movement, Policy Pesrpectives (Islamabad), Vol. 11, 2014, No. 2, pp. 119-125.
Rauhantutkimus, rauhankasvatus ja rauhantyö (Peace research, peace education and peace activism). in Rauhan silta kantaa. Helena Kekkonen 1926-2014, eds. Tuija Vihavainen & Hanna Nittymäki, Riika: Rauhankasvatusinstituutti 2015, pp. 152-157.
Rauhasta yleensä ja naisrauhasta erityisesti (On peace in general and on peace for women especially), Pax, 2016, pp. 22-23; also https://www.pax.fi/2016-04/rauhasta-yleensa-ja-naisrauhasta-erityisesti
Situationen får inte försämras (Situation in the Baltic Sea region must not deteriorate), Hufvudstadsbladet 3.10.2016, p. 17; Östersjöregionen och Nordens säkerhet, https://www.hbl.fi/artikel/ostersjoregionen-och-nordens-sakerhet-2/
Femtio år inom och för fredsforskning. Samtal med Peter Wallensteen (Fifty years in and for peace research. Debate with Peter Wallensteen). Finsk tidskrift, No. 2, 2018, pp. 47-55.
Rauhantutkijan etiikka (Peace researcher’s ethics), in Aseettomat kädet. Muistoja aseistakieltäytymisestä (Hands without weapons. Memories about conscientious objection), (eds. Pete Pesonen & Minna Sannikka), Helsinki: Työväen arkisto 2018. pp. 20-33.
Nobelin tahto, ICAN, ydinasekielto ja Suomi (Nobel’s Will, ICAN, nuclear weapon ban and Finland), Kosmopolis, No 3, 2018, pp. 64-73.
Sopusointua ja ristiriitoja: Uskonnot Yhdistyneiden kansakuntien toiminnassa (Harmony and Conflicts. Religions in the activities of the United Nations), teoksessa Uskonto ja maailmanpolitiikka (Religion and World Politics), eds. Heikki Pesonen, Tuula Sakaranaho & Sini Paukkunen, Tallinna: Gaudeamus 2019, pp. 82-103.
Euroopan unioni vaikeuksissa: säröjä ja ruhjeita rauhanprojektissa (The European Union in difficulties. Difficulties and ruptures in a peace project), Kosmopolis 2/2019, pp. 77-86.
Miten rauhantutkimus tuli Suomeen (How peace research came to Finland), in Rauhantutkimus kautta vuosien (Peace research through years). (Ed. Raimo Väyrynen). Helsinki: Into-Kustannus 2020, pp. 11-79.
Forskning om krigens orsaker och fredens förutsättningar (Research into the causes of war and conditions for peace), Fredsposten, No. 4, 2017, s. 2-4.
Puoli vuosisataa rauhantutkimusta (Half a century of peace research), https://politiikasta.fi/puoli-vuosisataa-rauhantutkimusta/, (20.3.) 2020.
(Ed.) Paasikiven linjat (The lines of Paasikivi), Tampere: Tampereen Paasikivi-Seura, 2021, 87 s.
Paasikiven linja ja linjat (The Paasikivi line and lines), in Paasikiven linjat (Ed. Unto Vesa), Tampere: Tampereen Paasikivi-Seura 2021, pp. 5-6.