De Morgan, William Frend, Associated date(s): 1839-1917 Letters Spencer, Herbert,; De Morgan, William Frend,; Hooker, Joseph Dalton,; Sieveking, Albert Forbes,; Burndy Library Manuscripts Collection (Smithsonian Libraries) Read more about Letters
Associated date(s): 1839-1917 Letters Spencer, Herbert,; De Morgan, William Frend,; Hooker, Joseph Dalton,; Sieveking, Albert Forbes,; Burndy Library Manuscripts Collection (Smithsonian Libraries) Read more about Letters
