Bersohn, Mathias (1903). Grunwald, M. (ed.). "On Old Wooden Synagogues in Poland"(PDF). Warsaw: Society for Jewish Studies. Retrieved 26 March 2024.
billfarran.com
Farran, Bill (2023). "Volpa, Belarus - Original Linocut". Lost Treasures: The Wooden Synagogues of Eastern Europe: The Artwork of Bill Farran. Retrieved 26 March 2024.