As recently as two years ago, there were 4. If 19 th century newspapers are of interest, read them fast. Due to the poor quality of newsprint, they're disintegrating. Those supporting expensive collections for highly ranked but small departments don't mention such formulae. To see the effect of modest price increases in a growing field over time, see the computations in the report from Women's Studies and Women in International Development .
Many libraries have interdependence.
For example, the Math Library suggests that, optimally, there be additional staff in the Slavic Library . Acknowledgment Assistance of Bill Altenberger, Ron Edmison, and Stanley Smith in posting and maintaining this web site is appreciated. Assistance in preparation of web documents by Decemma Bensyl and Arvilla Humes was essential in the timely reporting of survey results. Ilan Eyman reformatted and reposted this site.