. "Contains an underground press collection of 1283 titles (the biggest collection in Poland) from all pre-war Poland territory and published by all underground organizations."@en . . "1,937 digital files, PDF"@en . "Archiwum Akt Nowych"@en . . . "Collection of insurgent and underground press\n\nZbiór prasy powstańczej i konspiracyjnej"@en . . . . "Arranged by file number"@en . . "irn740763" . .