title: [Underground activity and losses in personnel of the Social Insurance Office in occupied Cracow].
mesh_terms: D000288:Administrative Personnel; D049673:History, 20th Century; D011044:Poland; D012943:Social Security; D012947:Social Work; D014857:Warfare
vernacular_title: Praca konspiracyjna i straty osobowe Ubezpieczalni Społecznej w okupowanym Krakowie.