1. Cole, T.W., Shreeves, S.L.: Search and Discovery Across Collections: the IMLS Digital Collections and Content Project. Library Hi Tech 22(3), 307–322 (2004)
2. Hearn, S.: Comparing Catalogs: Currency and Consistency of Controlled Headings. LRTS 53(1), 25–40 (2009)
3. Intner, S.S.: Much ado about nothing: OCLC and RLIN cataloging quality. Library Journal 114(2), 38–40 (1989)
4. Jeng, L.H.: Why authority? Why control? Cataloging & Classification Quarterly 34(4), 91–97 (2002)
5. Moen, W.E., Benardino, P.: Assessing Metadata Utilization: An Analysis of MARC Content Designation Use. In: 2003 Dublin Core Conference: Supporting Communities of Discourse and Practice – Metadata Research and Application, Seattle, Wash. (2003),
http://www.unt.edu/wmoen/publications/MARCPaper_Final2003.pdf