The collection consists of minutes of meetings of the Club, 1930-1933; correspondence, primarily concerning membership information; fragmentary financial records, with a few bills and box office statements; and membership lists and dues records. Records of the Club's productions include programs, news clippings of reviews, some script materials and other writings, probably by Conrad Saskowski. The photographs are of productions of Halka, Masked Ball, and Martha which were performed by the Polish Opera Club, 1921-1927. Pictured in the photographs are characters from these productions, most of them portrayed by Rose Saskowski.
Also in the collection are news clippings, 1938-1940, regarding Club activities, with a 1978 clipping and copy of a certificate honoring Conrad Saskowski at the time of the performance of his operetta Spring Song. A folder of miscellany includes programs of other dramatic events and concerts, and brochures from exhibits of art work by Polish artists. Some of the papers have been damaged by mice.
