"Marḳus" . "Y" . . "Marcus"@fr-FR . . . "Marcus, Y. (Yizhak)" . "Yishak" . . "Y Marcus" . "Markus" . . "Yitzhak" . . "Y. Marcus"@en . . . "Y."@en . "Yitshak Marcus" . "Yizhak Marcus"@pl-PL . "Yishak Marcus" . . "Yitshak Markus" . "Yitzhak Marcus"@ja-JP . "Yitsḥaḳ" . "Yizhak Marcus" . "Marcus"@en . . "Y. Marcus" . "マーカス" . "Yitsḥaḳ Marḳus" . "1931-03-17" . "Marcus, Y. (Yitzhak)" . . "יצחק מרכוס"@he-IL . "Yitshak" . "Yitzhak Marcus" . "Yizhak" . . .