http://tags.library.upenn.edu/tag/journals+prices+article PennTags Feed for /tag/journals+prices+article PennTags Feed http://tags.library.upenn.edu/makerecord/url/622 http://tags.library.upenn.edu/makerecord/url/622 An Open Letter to All University Presidents and Provosts Concerning Increasingly Expensive Journals (PDF) "The letter (PDF) was written by Theodore Bergstrom (University of California - Santa Barbara) and R. Preston McAfee (California Institute of Technology)."