Wynar, Bohdan S. Introduction to bibliography and reference work : a guide to materials and sources / [by] Bohdan S. Wynar. - 4th rev. ed. - Rochester, NY : Libraries UnLtd., 1967. - Library science text series . LCCN: 67020763 Subjects--Topical Terms: Reference books -- Bibliography.--Reference books -- Bibliography.Reference services (Libraries) LC Class. No.: Z1035 / .W95 1967 Dewey Class. No.: 016.0287