[P. V. Kolarov--social hygienist, internationalist and revolutionary (June 30, 1906-October 10, 1966)].
D001634:Bibliographies as Topic; D002031:Bulgaria; D049673:History, 20th Century; D006920:Hygiene / Q000266:history; D011635:Public Health Administration / Q000266:history; D012950:Socialism / Q000266:history
P. V. Kolvarov--sotsial-gigienist, internatsionalist i revoliutsioner (30-VI 1906-10-X 1966)