Darwin Correspondence Project

Bibliography

EB: The Encyclopædia Britannica. A dictionary of arts, sciences, literature and general information. 11th edition. 29 vols. Cambridge: Cambridge University Press. 1910–11.

NDB: Neue deutsche Biographie. Under the auspices of the Historical Commission of the Bavarian Academy of Sciences. 27 vols. (A–Wettiner) to date. Berlin: Duncker & Humblot. 1953–.