"The Dutch, Flemish and Afrikaans schemes were drawn up by Clarence W. Perley, former chief of the Classification division. The classification scheme ...
"The Dutch, Flemish and Afrikaans schemes were drawn up by Clarence W. Perley, former chief of the Classification division. The classification scheme for Scandinavian literature was prepared in 1915-1916 by Jules Dieserud, of the Catalog division, and edited by Mr. Perley."--Prefatory note.