 Other important patrons of Polish culture included the Roman Catholic Church and Polish aristocrats , who likewise supported artists and safeguarded Polish heritage ( notable patrons included Cardinal Adam Stefan Sapieha and a former politician , Janusz Radziwiłł ) . Some private publishers , including Stefan Kamieński , Zbigniew Mitzner and the Ossolineum publishing house , paid writers for books that would be delivered after the war . 
 Other important patrons of Polish culture included the Roman Catholic Church and Polish aristocrats , <a href='null_relcl' title='1'><mark>who</mark></a>likewise supported artists and safeguarded Polish heritage ( notable patrons included Cardinal Adam Stefan Sapieha and a former politician , Janusz Radziwiłł ) . Some private publishers , including Stefan Kamieński , Zbigniew Mitzner and the Ossolineum publishing house , paid writers for books <a href='null_relcl' title='2'><mark>that</mark></a>would be delivered after the war . 
Other important patrons of Polish culture included the Roman Catholic Church and Polish aristocrats , likewise supported artists and safeguarded Polish heritage ( notable patrons included Cardinal Adam Stefan Sapieha and a former politician , Janusz Radziwiłł ) . Some private publishers , including Stefan Kamieński , Zbigniew Mitzner and da Ossolineum publishing house , paid writers for books would b delivered after the war .