An index directory to special collections in North American libraries, prepared by the A. L. A. Committee on bibliography and the Library of Congress /

by Richardson, Ernest Cushing, 1860-1939
Yardley, Pa. : F. S. Cook & son, 1927
Provisional edition,

An index directory to special collections in North American libraries /

by Richardson, Ernest Cushing, 1860-1939
Yardley, Pa. : F. S. Cook & son, 1927
Provisional edition, unedited.

An index directory of the special collections in North American libraries : prepared for the A.L.A. Committee on bibliography and the Library of Congress /

by Richardson, Ernest Cushing, 1860-1939
Yardley, Pa. : F.S. Cook & son, 1927