"Correspondence regarding a stay of Dukas in London, and support of her research project on the cultural habits of Jews in southern Germany. Included are several letters with other individuals or institutions respectively."@en . . "Dr Rosa Dukas was an Israeli historian of German origin, and the sister of Albert Einstein’s secretary Helen Dukas."@en . "16 letters"@en . . . . . . . . "WL3000/9/1/358" . . "Correspondence with Dukas, Rosa"@en . . "This material has been digitised. Readers should book a reading room terminal to access it."@en .