At head of title: Library of Congress.The 1st edition, 1910, incorporating the work of S. C. Stuntz, H. H. B. Meyer and A. L. Voge, was revised by C. ...
The 1st edition, 1910, incorporating the work of S. C. Stuntz, H. H. B. Meyer and A. L. Voge, was revised by C. W. Perley, under the supervision of Mr. Charles Martel, then chief classifier.
Prefatory note to present edition signed: Clarence W. Perley, chief of Classification division.