1. Anna Weber-van Bosse Papers, National Herbarium Nederland Archives (Rijksherbarium Archives), Leiden, the Netherlands.
2. SBR Roscoff Station Archives, Roscoff, France.
3. Roscoff Municipal Archives, Roscoff, France.
4. Édouard Bornet Collection, Botanical Section, Muséum national d’Histoire naturelle, Paris, France.
5. Ackert, Lloyd. 2007. The “Cycle of Life” in Ecology: Sergei Vinogradskii’s Soil Microbiology, 1885–1940. Journal of the History of Biology 40 (1): 109–145.