Horsley, Edith May (ed.)Hutchinson's new 20th century encyclopediaNew York, NY; Hawthorn Books 1965Online editions:archive.org/details/hutchinsonsnew2000hawtLanguageenglishUniform titleHutchinson's new 20th century encyclopediaParallel titleThe McKay one-volume international encyclopediaAuthority Data (Author)GND: 181522675VIAF: 23384553
