translated from the German of Joseph Hell by S. Khuda Bukhsh., "Literature": p. 122-124., Main Heritage Shelves General, DS215 .H45 1926, Book, Item-ID: i1018756x, BIB-ID: 1020392
by Bernd Terhost, with an introduction by Douglas Booth; with eight drawings and three photographs by the author., Translation of Feuer am Rif., Main Heritage Shelves General, DT310 .T43 1926, Book, Item-ID: i10243537, BIB-ID: 1025989