(1989). Felix-Weltsch-Archiv: Gift of Mrs. Ruth Gorinstein ; in memory of her late father the philosopher and librarian Dr. Felix Weltsch ; [Inventarliste].
Lua i Stíl Chicago (17ú heag.)Felix-Weltsch-Archiv: Gift of Mrs. Ruth Gorinstein ; in Memory of Her Late Father the Philosopher and Librarian Dr. Felix Weltsch ; [Inventarliste]. 1989.
Lua MLA (8ú heag.)Felix-Weltsch-Archiv: Gift of Mrs. Ruth Gorinstein ; in Memory of Her Late Father the Philosopher and Librarian Dr. Felix Weltsch ; [Inventarliste]. 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.