R 025.52 Wye R Wyer, James Ingersoll, 1869- Refsrenco work: a textbook for students of li- brary work librarians, by James I. Wyer . Chicago, American library associationtion, I930. xii, 315 p. 20 cm. [Library curriculum stu- dies. prepared under the direction of W. W, Char- ters] "Bibliography” al final de cada capítulo