[F. F. ERISMAN UNDER THE SURVEILLANCE OF THE TSARIST SECRET POLICE].
D049672:History, 19th Century; D049673:History, 20th Century; D008511:Medicine; D016495:Police
BIOGRAPHIES; HISTORY; HISTORY OF MEDICINE, 19TH CENT.
F. F. ERISMAN POD NADZOROM TSARSKO I OKHRANKI.