Study of circulation control systems: public libraries, college and university libraries, special libraries / George Fry & Associates. George Fry & Associates. Academic libraries Circulation and loans. Public libraries Circulation and loans. Special libraries Circulation and loans. Charging systems (Libraries) 025.6 FRS Chicago : Library Technology Project of the American Library Association, 1961. 1961. 1961 Text vii, 138 p. : eng LTP publications ; no. 1