Institutions of higher learning in the US and Canada have long recognized that academic librarians require faculty status with equivalent tenure status to fully contribute at an institute striving for excellence in research and teaching.
CAUT Policy on Academic Status of Librarians (revised September 2010): http://www.caut.ca/pages.asp?lang=1&page=249
Drafted by a committee of the Association of College and Research Libraries (ACRL), the Association of American Colleges (AAC), and the American Association of University Professors (AAUP). Approved by the membership of the Association of College and Research Libraries, a division of the American Library Association, June 26, 1972. Reprinted from the February 1974 issue of College & Research Libraries News, a publication of the Association of College and Research Libraries. Reaffirmed by the ACRL Board, June, 2001 and June, 2007.