Werke:
- Sisters Crossing Boundaries: German Missionary Nuns in Colonial Togo and New Guinea, 1897-1960
- Sisters crossing boundaries : German missionary nuns in colonial Togo and New Guinea, 1897 - 1960
- Spenden, Retten, Helfen : Das »ferne Kind« und die Transnationalisierung der Wohltätigkeit 1830-1930
- Sisters Crossing Boundaries : German Missionary Nuns in Colonial Togo and New Guinea, 1897–1960