. . "Jack Barden collection"@en . "This collection comprises personal and family correspondence; correspondence and papers regarding the assistance given to a number of Jewish refugees fleeing Nazi Germany, particularly relating to Professor Raphael Sokolowsky"@en . "WL2032" . . "Jack Barden (-1978), a Jewish businessman in London, assisted a number of Jewish refugees flee from Nazi persecution before and during the war, in particular Professor Raphael Sokolowsky of Kalingrad (formerly Königsberg), whose ultimate fate is not known."@en . "2 folders"@en . . "Open"@en . . .