If you are aware of other useful resources we should add to this list, do get in touch with your subject librarian.
Slavonic collections at Cambridge University Library include more than 26,000 Polish books (including 5,000 published in the 21 century). Please contact Mel Bach for more information about the UL Slavonic collections.
Polska Biblioteka w Cambridge (Polish Library in Cambridge)
Biblioteka Polska POSK w Londynie (Polish Library in London)
Polish Cultural Institute London showcases Polish heritage and contemporary Polish culture for Britain's multicultural audience. The programme covers the visual arts, film, theatre, music and literature.
The Polish Institute and Sikorski Museum (London) archives documents pertaining to the period of the Second World War 1939-1945 and Poland's role in it; Polish Goverment in Exile, residing in London between 1945 and 1990, as well as fragmentary documentation for the inter war period 1918-1939.