World directory of dental schools. - Geneva : World Health Organization. - 1961- ISSN: 0512-2732 LCCN: Subjects--Topical Terms: Dental schools -- Directories.--Dental schools -- Directories.Schools, Dental -- directories--Schools, Dental -- directories LC Class. No.: RK37 / .W63 Dewey Class. No.: 617.607 / 617.6