VIAF http://viaf.org/viaf/151962300
Sudoc http://www.idref.fr/026459450
Biblioteca Nacional Alemana http://d-nb.info/gnd/000356263
ISNI http://isni-url.oclc.nl/isni/000000012186288X
Biblioteca Nacional Francesa http://data.bnf.fr/11870393
Biblioteca del Congreso de los EEUU http://id.loc.gov/authorities/names/n78089035
Libris (Suecia) http://libris.kb.se/resource/auth/278328
Fuente consultada

Children's books in the Rare Book Division of the Library of Congress, 1975

Name authorities, 1977-82

Información encontrada (Library of Congress)