POLONICA INFORMATION SHEET "Polish Rider" by Rembrandt from New York's The Frick Collection New York | USA
POLONICA INFORMATION SHEET Cameo with portrait of Queen Bona Sforza from the collection of New York's The Metropolitan Museum of Art New York | USA
SPOŁECZNA OPIEKA NAD POLONIKAMI Digitisation of the archival collections of the Polish Institute of Arts and Sciences in America - collections of Karol Popiel and Oskar Halecki New York | USA
SPOŁECZNA OPIEKA NAD POLONIKAMI Digitization of the archival collections of the Polish Institute of Arts and Sciences in America - "Lednicki Collections" New York | USA
SPOŁECZNA OPIEKA NAD POLONIKAMI Digitisation of the "National Committee of Americans of Polish Descent" ensemble at the Pilsudski Institute of America New York | USA