Classification. Class Q: Science.
By: Adopted 1905. As in force November, 1912.
Contributors: Thompson, James David, 1873-1932.; Perley, Clarence Warner, 1867-1946.
Publisher: Govt. print. off.
Published: 1913
Place of publication: Washington
Language: eng
Number of pages: 196
Subjects: Classification -- Books -- Science
Notes: At head of title: Library of Congress.
"Prefatory note to issue of 1905" signed: J. David Thompson, chief, Division of documents, in charge, Science section. Note to present edition signed: Clarence W. Perley, chief classifier.