Marcel, Henry, and Others. La Bibliothèque Nationale, 1907.
New York State Library. Material for a Course in Reference Study, 1903.
Peddie, R. A. The British Museum Reading Room, 1912.
Rawlings, G. B. The British Museum Library, 1916.
Richardson, E. C. Reference Department. A.L.A. Man. of Lib. Econ., chapter xxii., 1911.
Small, Herbert. Handbook of the New Library of Congress, 1901.
Stewart, J. D., and Others. Open Access Libraries, 1915, chapter ii.
Ward, G. O. The Practical Use of Books and Libraries, 1917, 2 vols.
Wiswell, L. O. How to Use Reference Books, 1916.
For articles see Cannons: E 79-83, Reference Rules, Management and Policy, etc.; D 7, Planning; L 66, Books for Reference Libraries.