ESTREICHER Stanislaw - Sapiehs. Bibliography relating to the Sapiehs of the 16th, 17th and 18th centuries. Reprint from the XXVII volume of "Karol Estreicher's Bibliography". Kraków 1928 Druk. Jagiellonian University. 20.5 cm, pp. VIII, 106. Secondary binding: plast. titlepage gilt , front original booklet coverpreserved. On the face of the binding embossed and gilded superexbris of Poraj - Biernacki and on the front pastedown heraldic ex-libris: "From the heraldic book collection of Władysław Poraj-Biernacki".
Bibliography of hundreds of old Polish Sapiezhine prints related to the genealogy and history of this meritorious magnate family in the history of the Republic.