The information provided here includes hyperlinks to sites that are neither controlled or sponsored by the Office of Archaeology & Historic Preservation (OAHP) or History Colorado, the Colorado Historical Society (CHS).  They are included solely for their value as reference, research, or educational tools.  Inclusion of any hyperlinks should not be interpreted as an endorsement by OAHP or CHS of either the agency, organization, their views, products or services.

• Anasazi Heritage Center
• Archnet
• Archaeological Institute of America
• Archaeological Research In the Upper Gunnison Basin
• Guides for Teaching & Learning in Archaeology
• Colorado Archaeological Society
• Colorado Council of Professional Archaeologists
• Crow Canyon Archaeological Center
• National Park Service Archaeology and Ethnography Program
• National Park Service - History & Culture
  • Strategies for Protecting Archeological Sites on Private Lands
• Redvale CCC Camp
• Society for American Archaeology
• Society for Historical Archaeology
• Southwestern Archaeology

• American Institute of Architects
• Electronic
  Library of Colorado Architecture, Landscape and Planning
• Fort
  Collins On-Line History & Architecture Database
• HABS/HAER
• Society of Architectural Historians
• Society for Commercial Archaeology

• List of Colorado Museums

• Colorado Art & Crafts Society
• Colorado Historical Foundation
• Colorado State Archives
• Colorado Preservation Inc.
• Golden Landmarks Association
• High Plains Historical Society
• Historic Boulder, Inc.
• Historic Denver, Inc.
• Historic Georgetown, Inc.
• Old Colorado City Historical Society
• Poudre Landmarks Foundation, Inc.

• Advisory Council on Historic Preservation
• Bureau of Land Management
  • Adventures in the Past
  • Bureau of Land Management - Colorado
  • General Land Office (GLO) Records
  • Cultural Heritage and Fossil Resources Programs
• Bureau of Reclamation
• Department of the Interior
• General Services Administration Historic Federal Buildings Program
• National Park Service
  • Antiquities Act 1906-2006
  • Certified Local Government (CLG) Program
  • National Center for Preservation Technology and Training
  • National Park Service - History & Culture
  • National Register of Historic Places
    • Weekly List of Actions Taken on Properties
• United States Forest Service

• Federal Historic Preservation Tax Incentives
• Transportation Enhancements Clearinghouse (TEA-21)
• How Do I Find Financial Assistance?

• American Association for State and Local History
• Doing History/Keeping the Past
• League of Historic American Theatres
• National Trust for Historic Preservation
  • Preservation Online
• PreserveNet
• Preservation Easement Trust, Inc.
• National Alliance of Preservation Commissions
• National Conference of State Historic Preservation Officers
• National Preservation Institute

• Land Trust Alliance
  • Colorado Coalition of Land Trusts
• Scenic America
• The Nature Conservancy - Colorado Chapter
• Trust for Public Land

• American Society of Landscape Architects
• American Landscape and Architectural Design 1850-1920
• National Park Service Historic Landscape Initiative

• City of Boulder - Downtown Urban Design Guidelines (PDF)
• City of Boulder - Mapleton Hill Historic District Design Guidelines (PDF)
• City of Colorado Springs - North End Historic District Design Guidelines
• City of Denver Design Guidelines for Landmark Structures and Districts
• City of Fort Collins - Design Guidelines for Historic Old Town (PDF)
• Town of Telluride - Design Guidelines for Building

• Boulder County Historic Preservation Program
• City of Aspen & Pitkin County Historic Preservation Program
• City of Boulder Historic Preservation Program
• City of Denver Historic Preservation Program
• City of Fort Collins Historic Preservation Program
• City of Greeley Historic Preservation Program
• City of Lafayette Historic Preservation Program
• City of Steamboat Springs Historic Preservation Program
• Town of Telluride Planning and Building Department
• Working on the Past in Local Historic Districts (NPS)

• Boulder County Ordinance
• Castle Rock Ordinance (PDF)
• City of Boulder Ordinance
• City of Fort Collins Ordinance
• City of Greeley Historic Preservation Ordinance (PDF)
• Colorado Springs Ordinance (PDF)
• Denver Landmark Preservation Ordinance (PDF)
• Durango Archaeological Ordinance (PDF)
• Durango Historic Preservation Ordinance (PDF)
• Glenwood Springs Ordinance (PDF)
• Golden Ordinance (PDF)
• Working on the Past in Local Historic Districts (NPS)

• Arapahoe Acres Historic District
• Arvada Historical Society
• Douglas County History Research Center
• Fort Collins On-Line History & Architecture Database
• Historic Morrison
• Historic Westminster
• Littleton History
• Park County Local History Archives
• Pearl Lake History
• Restoration of the Colorado Springs 1905 Carnegie Library

• American Planning Association
• CYBURBIA
  (Directory of resources relevant to planning, architecture, urbanism and other topics related to the built environment.)
• Strategies for a State Heritage Tourism Industry
  (Strategic plan for enhancing the success of Colorado's heritage tourism industry)
• Strategies for a State Heritage Tourism Industry Worksheet

• Cultural Heritage Policy Documents (Conservation at the Getty)
• Federal Laws, Executive Orders and Regulations Related to Cultural Resources
• Federal Standards and Guidelines Related to Cultural Resources
• The National Environmental Policy Act (NEPA) for Historic Preservationists & Cultural Resource Managers
• State Historic Preservation Legislation Database
  (The State Historic Preservation Legislation Database contains a listing and summaries for all state legislation or state constitution articles that contain specific references to: historic properties; archaeological sites or materials collected from archeological sites; or culturally significant unmarked human burials and associated burial objects.)

• Colorado Railroad Museum
• Great American Station Foundation
• Rio Grande Modeling & Historical Society
• Rocky Mountain Railroad Club
• Union Pacific Foundation

• Boulder Carnegie Branch Library for Local History: Historical Photographs and Images
• Bureau of Land Management Land Patent Records
• Colorado Digitization Project
• Colorado State Archives
• Colorado State Library
• Colorado State University Libraries - Historical Resources
• Denver Public Library Western History Photography Collection
• Denver Public Library Researching Building Histories
• Fort Collins Public Library Local History Archive
• Jefferson County Historical Commission Place Name Search
• National Archives
• Library of Congress
  • HABS/HAER Collection

• The Secretary of the Interior's Standards and Guidelines for Archeology and Historic Preservation
• The Secretary of the Interior's Standards for the Treatment of Historic Properties, 1995
• The Secretary of the Interior's Standards for Rehabilitation
• The Secretary of the Interior's Standards for Rehabilitation & Illustrated Guidelines for Applying the Standards
• The Secretary of the Interior's Standards for the Treatment of Historic Properties with Guidelines for Preserving, Rehabilitating, Restoring and Reconstructing Historic Buildings

• Colorado Commission on Higher Education
• Colorado Department of Transportation Scenic and Historic Byways
• Colorado Division of Gaming
• Great Outdoors Colorado
• State of Colorado

• National Park Service List of State Historic Preservation Office Web Sites
• National Association of State Archaeologists
• Tribal Historic Preservation Officers
• National Association of Tribal Historic Preservation Officers