Cullen, P (2023) Military decolonisation and Africanisation: the first African officers in the Kenyan Army, 1957-1964, Journal of Eastern African Studies, 17(3), pp.515-533, ISSN: 1753-1055. DOI: 10.1080/17531055.2023.2257897.
Cullen, P (2022) ‘Why does Africa matter and what should be our aim?’ British foreign policy, the Commonwealth, and the 1965 East and Central African Heads of Missions meeting, Britain and the World, 15(2), pp.95-119, ISSN: 2043-8567. DOI: 10.3366/brw.2022.0388.
Cullen, P, McCorriston, S, Thompson, A (2021) The “Big Survey”: Decolonisation, development and the first wave of NGO expansion in Africa after 1945, The International History Review, 44(4), pp.721-750, ISSN: 0707-5332. DOI: 10.1080/07075332.2021.1976810.
Cullen, P (2021) The corrupt elites: anatomy of power and wealth in Ghana by Kwame Akon Ninsin, Ghana, Gavoss Education PLC, 2018, 146 pp, £18 (paperback), ISBN: 9789988281434 [Book Review], The Round Table: the commonwealth journal of international affairs, 110(2), pp.298-299, ISSN: 0035-8533. DOI: 10.1080/00358533.2021.1902624.
Cullen, P (2021) Adapting to independence: The East Africa Association, post-colonial business networks and economic development. In Dimier, V and Stockwell, S (ed) The Business of Development in Post-Colonial Africa, Palgrave Macmillan, pp.69-97, ISBN: 978-3-030-51106-7. DOI: 10.1007/978-3-030-51106-7_3.
Cullen, P (2020) Kenya’s foreign policy and diplomacy: evolution, challenges and opportunities, The Round Table, 109(6), pp.782-783, ISSN: 0035-8533. DOI: 10.1080/00358533.2020.1850051.
Cullen, P (2020) British defense engagement and defense advisers in Kenya after independence. In Kennedy, G (ed) Defense Engagement since 1900: Global Lessons in Soft Power, University Press of Kansas, pp.158-182, ISBN: 9780700629473. DOI: 10.2307/j.ctv17kw96c.
Cullen, P (2020) Adapting to Independence: The East Africa Association, Post-Colonial Business Networks and Economic Development. In Cambridge Imperial and Post-Colonial Studies, pp.69-97, DOI: 10.1007/978-3-030-51106-7_3.
Cullen, P (2018) Playing cold war politics: The cold war in Anglo-Kenyan relations in the 1960s, Cold War History, 18(1), pp.37-54, ISSN: 1468-2745. DOI: 10.1080/14682745.2017.1387774.
Cullen, P (2018) Policing transnational protest: liberal imperialism and the surveillance of anticolonialists in Europe, 1905-1945, JOURNAL OF CONTEMPORARY EUROPEAN STUDIES, 26(2), pp.232-233, ISSN: 1478-2804. DOI: 10.1080/14782804.2018.1460241.
Cullen, P (2017) Operation Binnacle: British plans for military intervention against a 1965 coup in Kenya, International History Review, 39(5), pp.791-809, ISSN: 0707-5332. DOI: 10.1080/07075332.2016.1261917.
Cullen, P (2017) Kenya and Britain after Independence Beyond Neo-Colonialism, Springer, ISBN: 9783319562766. DOI: 10.1007/978-3-319-56276-6.
Cullen, P (2016) Funeral planning: British involvement in the funeral of President Jomo Kenyatta, The Journal of Imperial and Commonwealth History, 44(3), pp.513-532, ISSN: 0308-6534. DOI: 10.1080/03086534.2016.1175737.