2 results containing "Microscopes--1930-1940."
Negative blood during treatment does not mean cure Continue treatment until discharged : New York State Department of Health.
[between 1936 and 1939] | 1 print on board (poster) | Burroughs, Leslie Bryan
POS - WPA - NY .B877, no. 3 (B size) [P&P] | LC-USZC2-5366 (color film copy slide)
Keeping up with science
[between 1936 and 1939] | 1 print on board (poster) | Weisberg, Shari
POS - WPA - ILL .W43, no. 2 (C size) [P&P] | LC-USZC2-802 (color film copy slide)