. "Correspondence regarding the consignment of an antique letter of German antisemite Otto Böckel by Jacob."@en . "3 letters"@en . . "WL3000/9/1/662" . . . . . "This material has been digitised. Readers should book a reading room terminal to access it."@en . . "Correspondence with Jacob, Ernest"@en . . . . "Ernest Jacob was a British dentist of Jewish-German descent."@en .