Henniker-Heaton, Peter J. (6 de julio de 1963). «From the Bookshelf». Christian Science Monitor. Archivado desde el original el 31 de enero de 2013. Consultado el 1 de abril de 2017. «Sam Moskowitz has written science fiction, taught it, been an editor and literary agent in the field, and in 1939 organized the first of the still continuing World Science Fiction Conventions.»
Henniker-Heaton, Peter J. (6 de julio de 1963). «From the Bookshelf». Christian Science Monitor. Archivado desde el original el 31 de enero de 2013. Consultado el 1 de abril de 2017. «Sam Moskowitz has written science fiction, taught it, been an editor and literary agent in the field, and in 1939 organized the first of the still continuing World Science Fiction Conventions.»
Nicholls, Peter; Clute, John (2 de febrero de 2017). «Moskowitz, Sam». En Clute, John; Langford, David; Nicholls, Peter et al., eds. The Encyclopedia of Science Fiction. Londres: Gollancz. Consultado el 20 de marzo de 2017.Se sugiere usar |número-editores= (ayuda)
