[DATA FROM N.A. SEMASHKO'S PERSONAL RECORDS].
D049672:History, 19th Century; D049673:History, 20th Century; D008511:Medicine; D014586:USSR
BIOGRAPHIES; HISTORY; HISTORY OF MEDICINE, 20TH CENT.; USSR
NEKOTORYE MATERIALY IZ LICNOGO ARKHIVA N. A. SEMASHKO.