John Sumsion

• Survey of Resources and Uses in Higher Education Libraries
• A survey of some international PLR operations
• Authors' reactions to Public Lending Right
• Average prices of British academic books
• Average prices of British academic books, Jan to June 1992
• Average prices of British academic books, January to June 1992
• Average prices of British academic books, January to June 1993
• Average prices of British academic books, July to December 1991
• Average prices of British academic books, July to December 1992
• Average prices of USA academic books
• Average prices of USA academic books, January to June 1992
• Average prices of USA academic books, July to December 1991