Monographs
- Klein, T. (2009). Geschichte Chinas von 1800 bis zur Gegenwart [A History of China from 1800 to the Present] (2nd ed.). Paderborn: Schöningh (first published in 2007).
- Klein, T. (2002). Die Basler Mission in der Provinz Guangdong (Südchina), 1859-1931: Akkulturationsprozesse und kulturelle Grenzziehungen zwischen Missionaren, chinesischen Christen und lokaler Gesellschaft [The Basel Mission in Guangdong Province]. Munich: Iudicium.
Edited Volumes
- Klein, T. (Ed.). (2020). The Boxer War: Media and Memory of an Imperialist Intervention. Kiel: Solivagus.
- Jansen, T., Klein, T., & Meyer, C. (Eds.). (2014). Globalization and the Making of Religious Modernity in China: Transnational Religions, Local Agents, and the Study of Religion, 1800-Present. Leiden: Brill.
- Klein, T., & Schumacher, F. (Eds.). (2006). Kolonialkriege: Militärische Gewalt im Zeichen des Imperialismus [Colonial Wars: Military Violence in the Name of Imperialism]. Hamburg: Hamburger Edition.
Peer-reviewed journal articles
- Klein, T. (2023). Visual Narratives of Boxer-Era China: Two German Photo Albums of the Early 1900s. International Journal for History, Culture and Modernity, 11, 51–79. doi: 1163/22130624-20230010.
- Wang, Y., & Klein, T. (2022). Representing the Victorious Past: Chinese TV Drama between Propaganda and Marketisation. Media, Culture and Society, 44(1), 105–210. doi: 1177/01634437211022721.
- Klein, T. (2019). Biography and the Making of Transnational Imperialism: Karl Gützlaff on the China Coast, 1831–1851. Journal of Imperial and Commonwealth History, 47(3), 415–445. doi: 10.1080/03086534.2018.1539726.