McColvin, Lionel R.
Public library services for children / by Lionel R. McColvin. - 3rd ed. - Paris : Unesco, 1968. - 103 p. : ill.
Library service
Public libraries--Services to children
Public library services for children / by Lionel R. McColvin. - 3rd ed. - Paris : Unesco, 1968. - 103 p. : ill.
Library service
Public libraries--Services to children