Farrar, Straus and Cudahy, Inc. (New York, NY)(16)
Library of Congress (1897-)(6)
Heinemann Educational Books (London)(5)
British Broadcasting Corporation (1922-)(3)
Internationale Jugendbibliothek (1949-)(3)
Vallecchi Editore (Florenz)(3)
Alfred A. Knopf, Inc. (1915-)(2)
Emergency Rescue Commitee (New York)(2)
Maya-Film Productions Ltd. (London)(2)
American Library Association (1876-)(1)
Bühnen der Hansestadt (Lübeck)(1)
Der Bayerische Rundfunk (1948-)(1)
Deutschland (Bundesrepublik). Bundesminister des Innern (1949-1990)(1)