Zavel Zilberts. Photograph, ca. 1900, Warsaw. From Hyman J. Fliegel, Zavel Zilberts: His Life and Works (New York: Bnei Zion Foundation, 1971).
Artur Gold. Photograph by Studio “Star,” 1933, Katowice. Narodowe Archiwum Cyfrowe
Zavel Zilberts. Photograph, ca. 1900, Warsaw. From Hyman J. Fliegel, Zavel Zilberts: His Life and Works (New York: Bnei Zion Foundation, 1971).
Artur Gold. Photograph by Studio “Star,” 1933, Katowice. Narodowe Archiwum Cyfrowe