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3Princeton University.The ranks of the professional library staff[ E B/OL ]. [ 2011 - 11-30 ].http://www.princeton.edu/dof/policies_procedures/policies_publications/libr_policies/procedures_toc/chapter5/.
4University of California.Academic salary scale notes Librarian Series [EB/OL]. [2006-01 -02].http://www.ucop.edu/acadadv/ acadpers/tab0203/libnotes.pdf.
5University of Maryland. Policy on appointment, promotion, and permanent status of library faculty [ EB/OL ]. [ 2007-03-15 ]. http://president.umd.edu/policies/ii-100B.html.
6Bureau of Labor Statistics (U.S. Department of Labor).Library Technicians [ EB/OL ]. [ 2006-04-04 ].http://www.bls.gov/.
