. "7 letters"@en . . "Correspondence regarding the receipt of documents by Warburg on the history of the Jewish community Hamburg and its fight against Antisemitism."@en . . . . . "Correspondence with Warburg, Charles S."@en . "Charles S. Warburg was a member of the Jewish-German-American Warburg family."@en . "WL3000/9/1/1492" . "This material has been digitised. Readers should book a reading room terminal to access it."@en . . . . .