Library of Congress classification. Q. Science
By: prepared by the Policy and Standards Division, Library Services.
Contributors: Library of Congress. Policy and Standards Division.
Edition: 2009 ed.
Publisher: Library of Congress, Cataloging Distribution Service
Published: 2009
Place of publication: Washington, D.C
Language: eng
ISBN-13: 9780844412290
Subjects: Classification, Library of Congress; Classification -- Books -- Science
Other titles: Science
Notes: "This edition cumulates all additions and changes to class Q through Weekly list 2009/06, dated February 11, 2009. Additions and changes made subsequent to that date are published in weekly lists posted on the World Wide Web ... and are also available in Classification Web, the online Web-based edition of the Library of Congress Classification"--T.p. verso.

Includes index.