Darwin Correspondence Project

Bibliography

DBL: Dansk biografisk leksikon. Founded by Carl Frederick Bricka, edited by Povl Engelstoft and Svend Dahl. 26 vols. and supplement. Copenhagen: J. H. Schultz. 1933–44. 3d edition. Edited by Sv. Cedergreen Bech. 16 vols. Copenhagen: Gyldendal. 1979–84.