O'Gorman Jack Ed. Reference sources for small and medium sized libraries - 7th - New Delhi Ess Ess Publication India 2010 - xviii,329p. cm. ISBN: 9788170005988 (hbk) 1600 Standard No.: 108268 Source: 1122, 08/03/2011, Pioneer Books Distributors Textual Subjects--Topical Terms: LIBRARY SCIENCE Dewey Class. No.: 2:7, Q0