"Ernst Heumann collection"@eng . "Contains correspondence and financial reports concerning the publication of Aufbau by the New World Club (also known as the German-Jewish Club), an organization of German Jewish emigrants in New York. Also included are files concerning Aufbau advertising manager, Hans Schleger, and a May 1941 issue of International Science, a publication of the New World Club."@eng . . . "Arrangement of file units is thematic. Arrangement of documents within the file units is chronological."@eng . . . . "folders\n\n5"@eng . . "Ernst Heumann collection"@eng .