(1926). Library Extension: A Study of Public Library Conditions and Needs : By the Committee on Library Extension of the American Library Association. American Library Association.

Library Extension: A Study of Public Library Conditions and Needs : By the Committee on Library Extension of the American Library Association. Chicago: American Library Association, 1926.

Library Extension: A Study of Public Library Conditions and Needs : By the Committee on Library Extension of the American Library Association. American Library Association, 1926.