Search for: [Subject and Keywords = population] OR [Subject and Keywords = urban population] OR [Subject and Keywords = Warsaw] OR [Subject and Keywords = Warszawa \(Polska\) \-\- ludność \-\- 20 w. \[KABA\]] OR [Subject and Keywords = ludność miejska] OR [Title = Ludność Warszawy w XX wieku] OR [Title = Population of Warsaw in the 20th century] OR [Title = Monografie \/ Polska Akademia Nauk. Instytut Geografii i Przestrzennego Zagospodarowania.] OR [Title = Ludność Warszawy w XX wieku] OR [Title = Population of Warsaw in the 20th century] OR [Title = Monografie \/ Polska Akademia Nauk. Instytut Geografii i Przestrzennego Zagospodarowania.] OR [Creator = Gawryszewski, Andrzej \(1939– \)] OR [Creator = Gawryszewski, Andrzej \(1939– \)]