The ARL Preservation Statistics have been collected annually from the members of the Association of Research Libraries since 1988-89. The datafiles from the 1999-2000 survey year onward are made available for use by ARL members.
For more information on the data made available here or for assistance in interpreting the data, contact the ARL Statistics Liaison stats@arl.org or Martha Kyrillidou, Director of Statistics and Service Quality Programs martha@arl.org.