Carnegie Observatory collection.
Comprises the following record groups: George Ellery Hale Papers; Walter Sydney Adams Papers; Ira Sprague Bowen Papers; Frederick Hanley Seares Papers; Alfred Harrison Joy Papers; Milton Lasell Humason Papers; Wilhelm Heinrich Walter Baade Papers; Francis Gladheim Pease Papers; Edison Pettit Papers; Observatories' Photograph Collection; and the Observatories' Reprint Collection.
Adams, Walter S. (Walter Sydney), 1876-1956.
Bowen, Ira Sprague, 1898-1973
Hale, George Ellery, 1868-1938
Pettit, Edison, 1889-1962.
Seares, Frederick Hanley, 1873-
Astronomers -- United States.
Astronomical observatories -- Documentation.
Astronomy
Astronomers lcsh
Baade, Walter, 1893-1960.
Humason, Milton L. (Milton La Salle), 1891-1972
Joy, Alfred H. (Alfred Harrison), 1882-1973
Pease, F. G. (Francis Gladheim), b. 1881
Carnegie Observatories' Photograph Collection.
Carnegie Observatories' Reprint Collection.
AIP-ICOS
Henry E. Huntington Library. 1151 Oxford Road, San Marino, CA 91108, USA