The present article sheds light on a small but valuable collection of manuscripts belonged to the German-Jewish collector, Sigmund Nauheim (1874-1935). While his large collection of silver Jewish ceremonial objects is today preserved in the Jewish Museum of Frankfurt-am-Main, his manuscripts and books are housed in the National Library of Israel (Jerusalem). Besides describing the manuscripts, the article will put the Nauheim collection in the context of the trade and collection of Hebraica and Judaica in the interwar period.