Giljarevskij, R. S. International distribution of catalogue cards : Present situation and future prospects / R S Giljarevskij - Paris : Unesco, c 1969. - viii, 84 p. ; 21 cm. - Unesco Manuals for Libraries 15 . 320 320 Subjects--Topical Terms: Catalogue manualCard catalogs Dewey Class. No.: 025.35 / U2i