"Schwarzbart, Yitzhak" . "Schwarzbart, Isaac I." . "Shṿartsbarṭ, Y. (Yitsḥaḳ)" . "Schwarzbart, Ignacy Isaac (1888-1961)." . "Shṿartsbart, Yitsḥaḳ" . "שווארצבארט, יצחק" . "Shvartsbart, Yitsḥak 1888-1961" . "שווארצבארט, איגנאץ" . "Schwarzbart, Isaac I. 1888-1961" . "שורץ-ברט, יצחק" . "Shṿartsbarṭ, Ignatsi" . "Schwarzbart, Ignacy 1888-1961" . "Schwarzbart, Isaac Ignacy, 1888-1961" . "Schwarzbart, Ignacy (1888-1961)." . . "שורצברט, יצחק" . "Schwarzbart, Ignacy" . "Shṿartsbarṭ, Y." . "Schwarzbart, I." . "Shvartsbart, Ignatsi 1888-1961" . "שווארצבארץ, יצחק" . "שוורצברט, יצחק" . "Schwarzbart, Ignaz" . "Schwarzbart, Ignacy Izaak." .