The Nonpartisan Bloc for Cooperation with the Government was a "non-political" organization in the interwar Second Polish Republic, in 1927–35. It was closely affiliated with Józef Piłsudski and his S
The Presidium of the BBWR visiting the Marshal of the Senate Julian Szymański in 1929. From the left: sitting: Hipolit Gliwic, Walery Sławek, Julian Szymański, Marian Zyndram-Kościałkowski, Walery Roman; standing: Henryk Loewenherz, Karol Polakiewicz, Jakub Bojko, Zdzisław Stroński, Zdzisław Lechnicki, Adam Piasecki