Massachusetts Institute of Technology. Department of Physics.
Massachusetts Institute of Technology Department of Physics letter to Lewis Mumford, 1959.
Correspondence to Lewis Mumford from Bernard T. Feld, Dept. of Physics, M.I.T.
Mumford, Lewis, 1895-
Massachusetts Institute of Technology. Department of Physics.
Feld, Bernard Taub, 1919-
AIP-ICOS
University of Pennsylvania. Van Pelt-Dietrich Library Center. Annenberg Rare Book & Manuscript Library. 3420 Walnut Street, Philadelphia, PA 19104-6206, USA