ജോർജ് ഓണക്കൂർ. George Onakkooor. സർവ്വവിജ്ഞാനകോശം / by George Onakkoor. - 2nd ed. - India : State institute of encyclopaedic publications, 1996. - 829p. Volume10 Subjects--Topical Terms: Sarvavijnanakosham Dewey Class. No.: 403 / SAR.S.10