Survey Results of the ARL Survey of Regional and ARL Selective Depository Libraries (raw data)
Preliminary analysis of the ARL Survey of Regional and ARL Selective Depository Libraries in the Federal Depository Library Program, 2003 by Ridley Kesler, University of North Carolina-Chapel Hill
Initial Analysis of ARL Survey of Regional and Selective Depository Libraries by William Sudduth, University of South Carolina (October 8, 2003) (PDF)