At head of title: Library of Congress.The schedules were originally prepared by Mr. S. C. Stuntz, on lines laid down by Mr. Charles Martel, then chief...
The schedules were originally prepared by Mr. S. C. Stuntz, on lines laid down by Mr. Charles Martel, then chief classifier. In the final preparation of the second edition for the press, the scheme has been revised by Mr. Clarence W. Perley, chief of the Classification division. cf. Prefatory note, signed: C. K. Jones.