http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
238.427 -- ADLER, Francis H.: -- [Sanford) Robinson] Gifford's Textbook -- of ophthalmology. 4. ed., illustr. - Phila- -- delphia, London: Saunders 1947. XI, 512 S. 8° -- 1950:805.