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Weeding Collections: Statistics

Why and how to weed Doheny and other library collections

Doheny Collection Statistics

The Doheny Memorial Library stacks can hold a maximum of 575,000 volumes.

There were 505,887 as of May 2014, so we are rapidly reaching full capacity.

Furthermore, we have added the following number of new books:

  • 2010/11   21,342
  • 2011/12   24,847
  • 2012/13   22,782

Adding another 20,000 volumes in 2014/15 without transferring any will bring the total to about 525,000, and it will be completely full within about 3 years if we continue the current pace of acquisitions.

Masoud Farajpour has kindly provided capacity statistics broken down by call number.

Level 9

  • A-B             80-85%
  • C-D            85-90%

Level 5

  • E-F            85-90%

Level 4

  • G                80-85%
  • H-HF         90-95%
  • HG-HT      95%
  • HV-HX       75-80%
  • J-K             90-95%

Level 2

  • L                80-85%
  • N               90%
  • P               85-90%
  • PA-PL      75-80%
  • PN            80-85%
  • PQ            85%
  • PR-PS      85-90%
  • PT             90-95%
  • Q               85-90%
  • R               60-65%
  • S-ZA         85-90%