. "/1-45: This collection of original correspondence from Otto Löwenstein from prison in Hamburg to his wife and child was deposited by his widow via Henry Minden. The letters are written on prison letter forms, designed for ease of purpose, including date of censor's clearance. Information contained within concerns family business and the personal needs of the author. They average one per week"@eng . "1 folder"@eng . . "Otto Löwenstein: Correspondence"@eng . . . "Otto Löwenstein: Correspondence"@eng . .