Sanford, Fernando, 1854-1948
Fernando Sanford letters, 1900-1935.
Aitken, Robert Grant, 1864-1951
Keeler, James Edward, 1857-1900
AIP-ICOS
University of California, Santa Cruz. Mary Lea Shane Archives of the Lick Observatory. University Library, Rm. 359, Santa Cruz, CA 95064, USA