CRL's Academic Library Trends & Statistics -- Survey data from the latest ACRL edition.
Association of Research Libraries (ARL) -- Statisical reports some of which Drexel has cataloged individually.
American Library Association -- Office for Research and Statistics
American Library Directory -- A classified list of libraries in the USA & Canada with annually updated personnel data & some statistics. (Trial access to online version is free with registration.)
Bowker Annual: Library and Book Trade Almanac -- The industry standard for tracking annual changes is book prices. Ref Z731 .A47
Institute of Museum and Library Services - Public Libraries Survey and the State Library Agencies Survey
National Center for Educational Statistics, Library Statistics Program -- Strong coverage of academic and school library collections, expenditures, services, and staffing survey results.
Public Library Data Service statistical report -- Ref Z731 .P94x (1988 - 2009)
Salary Surveys:
ALA-APA Library Salary Database --ELECTRONIC
Various Reports --PRINT Includes librarians and library technicians.
American Association of Law Libraries (AALL) Ref Z682.3 .B54 -- PRINT
Association of Research Libraries (ARL) Ref Z682.3 .A88x --
Special Libraries Association (SLA) Ref Z682.3 .S58x --
Professional associations often provide statistics via their web sites. Try our "guide to library associations" or search the Encyclopedia of Associations for more options.
Associations:
Professional and trade associations offer unique insider perspectives on the world of their membership with industry reports and member surveys you will not find elsewhere. Here is a representative list:
Public
Specialized Library Associations
State & Locally-Based
Archives
School
Special Demographic or Technology Focus
Information Science and International