 Throughout his wanderings Maimon kept manuscripts of several works which he never published. After his death, Maimon’s patron, Graf Adolf Kalkreuth, gave the manuscripts to Benjamin Fraenkel from the nearby Jewish community in Glogau. During the 19th century Maimon’s manuscripts and letters were dispersed and held by several prominent Jewish scholars and bibliophiles such as Abraham Geiger, Leopold Zunz and Heimann Michael. The collection of the latter — which included Maimon’s Ta’alumoth Hochma — was purchased by the Bodleian library in 1848. Several other manuscripts found different ways to the collection of the Berlin Hochschule für die Wissenschaft des Judentums where they were held till World War II. Before and during the war the Hochschule’s collection was smuggled out of Germany. The most important Maimonian MS held by the Hochschule arrived, in the 1980s, at the National and University Library in Jerusalem. Other manuscripts of Maimon, held before the war by various individuals and institutions, are still missing. The authors of this entry participate in the search after these missing manuscripts (and letters), the most important of which are: