American Association for State and Local History
http://www.aaslh.org/

American Association of Museums
http://www.aam-us.org/index.htm

American Council of Learned Societies
http://www.acls.org

American Historical Association
http://www.theaha.org/

American Studies Association
http://www.georgetown.edu/crossroads/asainfo.html

National Council on Public History
http://www.iupui.edu/~ncph/home.html

Organization of American Historians
http://www.oah.org

Society of American Archivists
http://www.archivists.org

Charleston Museum
http://www.ego.net/us/sc/chs/cmuseum/index.htm

Columbia Museum of Art
http://www.colmusart.org/

Drayton Hall
http://www.draytonhall.org/

Historic Columbia Foundation
http://www.columbiasc.net/city/hcfweb.htm

Historic Charleston Foundation
http://www.historiccharleston.org/index.html

McKissick Museum
http://www.cas.sc.edu/MCKS/index.html

Preservation Society of Charleston
http://www.preservationsociety.org/

South Carolina Department of Archives and History
http://www.state.sc.us/scdah/

South Carolina Department of Parks, Recreation and Tourism
http://www.southcarolinaparks.com/

South Carolina Federation of Museums
http://www.southcarolinamuseums.org/scfm

South Carolina Institute of Archaeology and Anthropology
http://www.cas.sc.edu/sciaa/sciaa.html

South Carolina State Historic Preservation Office
http://www.state.sc.us/scdah/histrcpl.htm

South Carolina State Museum
http://www.museum.state.sc.us/

South Caroliniana Library
http://www.sc.edu/library/socar/

Thomas Cooper Library
http://www.sc.edu/library/tcl.html

Atlanta History Center
http://www.atlhist.org/

Biltmore Estate
http://www.biltmore.com/

National Archives, Atlanta
http://www.nara.gov/regional/atlanta.html

Old Salem, Inc.
http://oldsalem.org/oldsalemonline/

Southeast Society of Architectural Historians
http://www.coa.uncc.edu/sesah

Southeastern Museums Conference
http://www.semcdirect.net

Government Printing Office (Federal Register notices)
http://www.access.gpo.gov

Heritage Preservation Services
http://www2.cr.nps.gov/

Laws, Regulations and Standards Related to Cultural Resources
http://www.cr.nps.gov/linklaws.htm

National Archives
http://www.nara.gov/

National Historical Publications and Record Commission
http://www.nara.gov/nhpre/

National Park Service
http://www.nps.gov

Preservation Action
http://www.preservenet.cornell.edu/presaction/home.htm

Sprawl Watch Clearinghouse
http://www.sprawlwatch.org

State Historic Preservation Legislation Database
http://www.ncsl.org/programs/arts/statehist_intro.htm

Advisory Council on Historic Preservation
http://achp.gov/

Barn Again!
http://www.agriculture.com/ba

Conservation On-Line
http://palimpsest.stanford.edu/

CRM Magazine Archives (NPS)
http://www.cr.nps.gov/crm

Forum Online
http://www.nthp.org/main/samplehome.htm

House o' Preservation
http://members.tripod.com/-RWUHP/HOP

National Alliance of Preservation Commissions
http://www.arches.uga.edu/~napc/"

International Council on Monuments and Sites
http://www.icomos.org/

National Center for Preservation Technology and Training (NPS)
http://www.ncptt.nps.gov/

National Conference of State Historic Preservation Officers (NCSHPO)
http://www.sso.org/ncshpo

National Conference of State Legislatures Database
http://www.ncsl.org/programs/arts/statehist_intro.htm

National Maritime Initiative (NPS)
http://www.cr.nps.gov/history/maritime

National Parks and Conservation Association
http://www.npca.org/

National Register of Historic Places (NPS)
http://www.cr.nps.gov/nr

National Transportation Enhancements Clearing house
http://www.enhancements.org

National Trust for Historic Preservation
http://www.nationaltrust.org

National Trust's Main Street Program
http://www.mainst.org

Old House Network
http://www.oldhouse.com

Preservation Books
http://www.nthpbooks.org

Preservation Briefs from the National Park Service
http://www2.cr.nps.gov/tps/briefs/presbhom.htm

Preservation Directory
http://www.preservationdirectory.com

Preservation Leadership Training Institute
http://www.nthp.org/main/frontline/departments/leadership.htm

Preservation Products, Inc.
http://www.preservationproducts.com

Preserve and Protect
http://www.preserve.org/

Secretary of the Interior’s Standards for the Treatment of Historic Properties http://www2.cr.nps.gov/tps/secstan2.htm

Surface Transportaion Policy Project
http://www.istea.org

Internet Resources for Heritage Conservation
http://www.ncptt.nps.gov/pir

Society for American Archeology
http://www.saa.org

Society for Commercial Archaeology
http://www.sca-roadside.org

Society for Historical Archeology
http://www.sha.org

American Institute of Architects
http://www.aia.org

Great Buildings
http://www.greatbuildings.com/gbc.html

Historic American Buildings Survey(HABS)/ Historic American Engineering Record (HAER) (NPS)
http://www.cr.nps.gov/habshaer/

National Building Museum
http://www.nbm.org

Park Historic Structures and Cultural Landscapes (NPS)
http://www.cr.nps.gov/phscl

Society of Architectural Historians
http://www.sah.org

Traditional Building: The Professional's Source for Historic Products
http://www.traditional-building.com/

Alliance for Historic Landscape Preservation
http://www.ahlp.org

American Battlefield Protection Program (NPS)
http://www2.cr.nps.gov/abpp

American Garden and Landscape History
http://www.wavehill.org/landscape-research/index.html

Historic Landscape Initiative (NPS)
http://www2.cr.nps.gov/hli

National Association for Olmsted Parks
http://laz.uoregon.edu/~naop/

National Trust Rural Heritage Program
http://www.ruralheritage.org

Park Historic Structures and Cultural Landscapes
http://www.nps.gov/phscl

Scenic America
http://www.scenic.org

Center for Understanding the Built Environment(CUBE)
http://www.webcom.com/~pcj/cube.html

Cities/Buildings Database
http://www.washington.edu/ark2

National Register Travel Itineraries
http://www.cr.nps.gov/tourism.html

American Planning Association
http://www.planning.org

American Farmland Trust
http://wwwfarmland.org

Center for Sustainable Communities
http://www.weber.u.washington.edu/common/

Livable Communities Task Force
http://www.house.gov/blumenauer/livable.htm