1. Adam, T. (2009). Buying respectability: Philanthropy and urban society in transnational perspective, 1840s to 1930s. Bloomington: Indiana University Press.
2. Adam, T. (2014). Profit and philanthropy: Stock companies as philanthropic institution in nineteenth century Germany. VOLUNTAS: International Journal of Voluntary and Nonprofit Organizations, 25(2), 337–351.
3. Adam, T. (2016). Philanthropy, civil society, and the state in German history, 1815–1989. Rochester: Camden House.
4. Adam, T. (2017). Interreligious and intercultural transfers of the tradition of philanthropy. In J. R. Lieberman & M. J. Rozbicki (Eds.), Charity in Jewish, Christina, and Islamic traditions (pp. 45–65). New York: Lexington Books.
5. Adam, T., & Lingelbach, G. (2015). The place of foundations and endowments in German history: A historical-statistical approach. Nonprofit and Voluntary Sector Quarterly, 44(2), 223–249.