1. Circulation statistics in the evaluation of collection development;Adams;Collection Building,2008
2. Approval plan profile assessment in two large ARL libraries;Alan;Library Resources & Technical Services,2011
3. Direct purchase as a function of interlibrary loan: Buying books versus borrowing;Alder;Journal of Interlibrary Loan, Document Delivery & Electronic Reserves,2007
4. Patron-focused services in three US libraries: Collaborative interlibrary loan, collection development and acquisitions;Allen;Interlending & Document Supply,2003
5. Alter, A. (2015). The plot twist: E-book sales slip, and print is far from dead. The New York Times. Retrieved from: http://www.nytimes.com.