Classification. Class Q, Science.
Contributors: Voegelein, L. Belle ed.
Edition: 4th ed.
Publisher: U.S. Govt. Print. Off.
Published: 1948
Place of publication: Washington
Language: eng
Number of pages: 213
Subjects: Classification -- Books -- Science
Notes: "The editorial work ... was carried out by the Editor of Classification Schedules, L. Belle Voegelein."
Earlier editions were issued by the Classification Division of the Library of Congress.