An energy transition amid great power rivalry, Scholten Daniel, Criekemans David, Van de Graaf Thijs, Journal of international affairs – ISSN 0022-197X – 73:1(2020), p. 195-204

Protodiplomacy: sub-state diplomacy and wannabe states,  Handbook on the Politics of Small States / Baldacchino, Godfrey [edit.]; Wivel, Anders [edit.] – ISBN 978-1-78811-292-5 – Cheltenham, UK, Edward Elgar Publishing Limited, 2020, p. 395-410

Geopolitics of the renewable energy game and its potential impact upon global power relations , The geopolitics of renewables / Scholten, Daniel – ISSN 2195-1284 – Cham, Springer, 2018, p. 37-73

The diplomatic activities of regional substate entities : towards a multilevel diplomacy?  Borders and margins : federalism, devolution and multi-level governance / Lachapelle, Guy [edit.]; e.a. – ISBN 978-3-8474-2025-5 – Leverkusen, Barbara Budrich Publishers, 2018, p. 131-151

Where geoeconomics and geostrategy meet : the troubled relations between the European Union and the Russian Federation , Advances in geoeconomics / Munoz, Joseph Mark [edit.] – ISBN 978-1-85743-830-7 – New York, N.Y., Routledge, 2017, p. 113-120

Geopolitics and European grand strategy, European citizens for European foreign policy / Kovač, Igor [edit.]; et al. – ISBN 978-961-90892-4-8 – Ljubljana, Slovensko panevropsko gibanje, 2014, p. 32-41

Subsidiarity, multi-level governance and Flemish sub-state diplomacy : conflict, duplication or complementary to the central level? Contactforum “Subsidiarity and Multi-Level Governance” / Loisen, Jan; e.a. – Brussel, Koninklijke Vlaamse Academie van België voor Wetenschappen en Kunsten, 2012, p. 45-61

Regional sub-state diplomacy from a comparative perspective: Quebec, Scotland, Bavaria, Catalonia, Wallonia and Flanders , The Hague journal of diplomacy – ISBN 978-90-04-19002-3 – 5:1(2010), p. 37-64

Réhabilitation et rénovation en matière de pensée géopolitique, L’espace politique – ISSN 1958-5500 – 12:3(2010),

Regional sub-state diplomacy from a comparative perspective: Quebec, Scotland, Bavaria, Catalonia, Wallonia and Flanders, Regional sub-state diplomacy today / Criekemans, David [edit.] – ISBN 978-90-04-18357-5 – Leiden, Nijhoff, 2010, p. 37-64

Geopolitical schools of thought: a concise overview from 1890 till 2015 and beyond,  Geopolitics: schools of thought, method of analysis and case studies / Csurgai, Gyula [edit.] – ISBN 2970039559 – Geneva, Penthes, 2009, p. 5-47

Where geopolitics and foreign policy analysis once met: the work of Harold and Margaret Sprout and its continued relevance today, ISA’s 50th Annual Convention “Exploring the Past, Anticipating the Future”, Panel Quantitative and Experimental Modeling of Foreign Policy Processes, New York City, N.Y. (USA), 15-18 February 2009 / International Studies Association – S.l., International Studies Association: Geopolitiek: ‘geografisch geweten’ van de buitenlandse politiek?

Geopolitiek. Geografisch geweten van de buitenlandse politiek? Garant.  Netherlands, 2007. ISBN 9789044119695