Ismaili and Other Arabic Manuscripts is a supplement to Adam Gacek's two-volume Catalogue of Arabic Manuscripts in the Library of the Institute of Ismaili Studies, published in London, 1984-1985. This new catalogue includes 189 Arabic manuscripts not listed earlier by Gacek or which have been acquired since then by the Institute of Ismaili Studies Library. The majority of the works belong to the theological, philosophical and historical traditions...