; (B) a library agency that is an official agency of a State or other unit of government and is charged by the law governing it with the extension and development of public library services within its jurisdiction; (C) an eligible library consortium; or (D) a library association that exists on a permanent basis, serves libraries or library professionals on a national, regional, State, or local level, and engages in activities designed to advance the well-being of libraries and the library profession. (2) Eligible library The term eligible library means— (A) a public library; (B) an elementary or secondary school library; (C) a library that is operated by an institution of higher education; (D) a research library or archive that is not an integral part of an institution of higher education and that makes publicly available library services and materials that are suitable for scholarly research and not otherwise available