Archimandrite Antonin (Andrei Ivanovich Kapustin; 1817–1894), a native of Baturino village in Perm province, a graduate of Kiev Theological academy, from 1865 up till his death was in charge of the Russian Orthodox mission in Jerusalem. He could gather a huge collection of manuscripts which, according to his testament, was sold to the Imperial Public Library in St. Petersburg (National Library of Russia of today). At the moment not less than 1301 items of his collection are kept in several funds of the Manuscript Department, namely, 47 Greek, 21 Slavonic, 1 Syriac, not less than 57 Arabic, 4 Armenian, 2 Ethiopian handwritten books and 1 Mongolian document, as well as 1168 Hebrew scrolls, codices, fragments and documents which composed a separate fund.The article is dedicated to the complex of 45 Arabic-Christian manuscripts datable to the XI–XIX centuries, which include Biblical texts, liturgy, and theology, mostly translated from the Greek language. The collection gives a good opportunity for a study of the Arabic-Christian manuscripts’ textology, paleography, codicology and the history of the book in Levant.