First ed. published in 1902 by the Classification Division of the Library of Congress. "Additions and changes to October 1964": 61 p. at end.
At head of title: Library of Congress. Schedules made in 1904 by Mr. S.C. Stuntz, under the direction of Mr. Martel, chief classifier. Since 1905 the classification has been in charge of Mr. C.W.