Patrons of one library borrowing material owned by another library
Inter-library loan (abbreviated ILL, sometimes called document delivery, document supply, inter-lending, inter-library services, inter-loan, or resource sharing) is a service that enables patrons of one library to borrow materials that are held by another library.[1]
^lnterlibrary Loan Committee, Management and Operation of Public Services Section, Reference and Adult Services Division, American Library Association, National lnterlibrary Loan Code for the United States, 1993. RQ 33 no. 4 (Summer 1994).