Palomar Observatory. Council.
Palomar Observatory departmental files, 1929-1949.
Correspondence, budgets, discussions on the operation of the 200" telescope.
Palomar Observatory -- Administration.
Astronomical observatories -- Administration.
AIP-ICOS
California Institute of Technology. Institute Archives. 1201 East California Blvd. (Mail Code 015A-74), Pasadena, CA 91125, USA