Collection of letters and ephemera relating to the Judaica book trade, most from 1926-1955. The collection includes correspondence from all over the world, including Vienna, Lisbon, Italy, the United States, and Palestine/Israel. It is notable as a rare glimpse into the world of pre-Holocaust collecting, as well as the early history of Jewish settlement in Palestine. Notable bookdealers and collectors include Biegeleisen (New York), David Frankel (Vienna and New York), Yochanan and Abraham Rubenstein (Haifa), Efraim Keizer (Pressburg) Yehuda Idil Bialistotsky (Slonim), Rubin Mass (Jerusalem), etc. The majority of the collection is in Hebrew, but other languages include English, German, and French.