Knight, Hattie M. The 1-2-3 guide to libraries / by Hattie M. Knight - 4th ed. - Dubuque, Iowa : Wm. C. Brown, 1970 - vii, 84 p. : ill. ; 28 cm. ISBN: 0697063003 Subjects--Topical Terms: Libraries--Handbooks, manuals, etc.