Library of Congress classification : Class Q : Science /
Science
- 5th ed.
- Washington, D.C. : Library of Congress, Cataloging Distribution Service, 1950.
- vi, 215 p. ; 26 cm.
Includes index.
57060002
Classification, Library of Congress.
Classification--Books--Science.
025.4 / LIC
Includes index.
57060002
Classification, Library of Congress.
Classification--Books--Science.
025.4 / LIC