Colorado Fuel and Iron Archives: Pueblo, Colorado
Local History Archive - Fort Collins Museum: Fort Collins, Colorado
National Snow and Ice Data Center: Boulder, Colorado
Saint John's Cathedral Archives: Denver, Colorado
Starsmore Center for Local History: Colorado Springs, Colorado
Telecommunications History Group: Denver, Colorado
American Heritage Center - University of Wyoming: Laramie, Wyoming
Arizona State University Special Collections - Arizona State University: Tempe, Arizona
Center of Southwest Studies - Ft. Lewis College: Durango, Colorado
Colorado State University Special Collections - Colorado State University: Fort Collins, Colorado
Mesa State College Special Collections - Mesa State College: Grand Junction, Colorado
Penrose Library Special Collections - University of Denver: Denver, Colorado
Regis University Archives - Regis University: Denver, Colorado
University of Colorado Colorado Springs Archives - University of Colorado Colorado Springs: Colorado Springs, Colorado
University of Northern Colorado Archival Services - University of Northern Colorado: Greeley, Colorado
City of Englewood: Englewood, Colorado
Colorado State Archives: Denver, Colorado
Library of Congress: Washington, D.C.
Midwest Archeological Center Resource Center: Lincoln, Nebraska
National Archives: Washington, D.C.
National Archives - Rocky Mountain Region: Lakewood, Colorado
National Association of Government Archives and Records Administrators: Albany, New York
National Endowment for the Humanities: Washington, D.C.
National Historical Publications and Records Commission: College Park, Maryland
National Union Catalog of Manuscript Collections: Washington, D.C.
U.S. Government Printing Office: Washington, D.C.
Wyoming State Archives: Cheyenne, Wyoming
Bessemer Historical Society: Pueblo, Colorado
Rocky Mountain Jewish Historical Society: Denver, Colorado
Douglas County History Research Center - Douglas County Libraries: Castle Rock, Colorado
Estes Park Local History - Estes Park Public Library: Estes Park, Colorado
Local History Center - Cañon City Public Library: Cañon City, Colorado
Pikes Peak Library Special Collections - Pikes Peak Library District: Colorado Springs, Colorado
Western History and Genealogy - Denver Public Library: Denver, Colorado
British Library: London, England
Barco Library - The Cable Center: Denver, Colorado
Cañon City Public Library: Cañon City, Colorado
Casper College Goodstein Foundation Library: Casper, Wyoming
Colorado State University Libraries: Fort Collins, Colorado
Denver Public Library: Denver, Colorado
Douglas County Libraries: Douglas County, Colorado
Estes Park Public Library: Estes Park, Colorado
Johnson and Wales University Library: Denver, Colorado
Library of Congress: Washington, D.C.
Tomlinson Library - Mesa State College: Grand Junction, Colorado
Pikes Peak Library District: Colorado Springs, Colorado
Regis University Libraries: Denver, Colorado
University of Northern Colorado Libraries: Greeley, Colorado
Colorado Springs Pioneer Museum: Colorado Springs, Colorado
Fort Collins Museum: Fort Collins, Colorado
Fort Morgan Museum: Fort Morgan, Colorado
Louisville Historical Museum: Louisville, Colorado
Royal Gorge Regional Museum and History Center: Canon City, Colorado
Smithsonian Institution: New York City; Washington, D.C.
Telecommunications History Group: Denver, Colorado
AAM - American Association of Museums: Washington, D.C.
AASLH - American Association for State and Local History: Nashville, Tennessee
ACA - Academy of Certified Archivists: Albany, New York
ALA - American Library Association: Chicago, Illinois
AMIA - Association of Moving Image Archivists: Hollywood, California
ARMA International - Association of Records Managers and Administrators: Lenexa, Kansas
CDP - Collaborative Digitization Program: Aurora, Colorado
CNI - Coalition for Networked Information: Washington, D.C.
NCPH - National Council on Public History: Indianapolis, Indiana
NISO - National Information Standards Organization: Baltimore, Maryland
OHA - Oral History Association
RBMS - Rare Books and Manuscripts Section of the American Library Association
SAA - Society of American Archivists: Chicago, Illinois
Northeast Document Conservation Center: Andover, Massachusetts
Tudhope Paper and Photograph Conservation Studio: Denver, Colorado
ARMA: Northern Colorado Chapter of ARMA
CIMA: Conference of Inter-Mountain Archivists (Arizona, Nevada, Utah, Wyoming)
MAC: Midwest Archives Conference (Kansas, Kentucky, Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin)
MARAC: Mid-Atlantic Regional Archives Conference
NWA: Northwest Archivists, Inc (Alaska, Idaho, Montana, Oregon, Washington)
SCA: Society of California Archivists (California)
SRMA: Society of Rocky Mountain Archivists (Colorado and Wyoming)
SSA: Society of Southwest Archivists (Arizona, Texas, New Mexico)
Emporia State University - School of Library and Information Management: Emporia, Kansas
H-net: Humanities and Social Sciences Online
University of Denver - Library and Information Science: Denver, Colorado
University of Hawaii at Manoa - Library and Information Science: Honolulu, Hawaii
