Biblioteca del Congreso de los EEUU http://id.loc.gov/authorities/names/no2014040521
ISNI http://isni-url.oclc.nl/isni/0000000060532624
VIAF http://viaf.org/viaf/87261169
Fuente consultada WWW Imdb, 16-07-2003
Información encontrada (Douglas Scwartz; sometimes credited as, Douglas N. Schwartz; writer, producer, director, cinematographer, editor)