[Dr. Stanisław Markiewicz as original organizer of summer camps for Warsaw children].
D002165:Camping; D049672:History, 19th Century; D049673:History, 20th Century; D012572:School Health Services / Q000266:history*; D014505:Urban Population
Doktor Stanisław Markiewicz jako organizator pierwszych letnich kolonii dla dzieci w Warszawie.