Modern library practices series: 2nd Edn. J. McRee Elrod, Scarecrow Press, Metuchen, N.J. 1978, 5v. Contains: No. 1: Construction and Adaptation of the Unit Card, p. 72, $3.50. LC 77-17087. ISBN 0-8108-1090-5. No. 2: Filing in the Public Catalog and Shelf List, p. 81 (+164 cards), $10, LC77-13507.ISBN 0-8108-1806-7. NO. 3: Classification, p. 79, $3.50. LC77-1782. ISBN 0-8108-1094-8. No. 4: Choice of Main and Added Entries, p. 82, $3.50. LC77-1782. ISBN 0-8108-1095-6. No. 5: Choice of Subject Headings, p. 49, $3.50 LC77-13479. ISBN 0-8108-1087-5.