The Canadian Canal Society / Société des Canaux du Canada

The Casino & District Historical Society Inc.

New South Wales, Australia.

The Catholic Knights of America

A fraternal benefits society.

The Catholic Record Society of the Diocese of Columbus

Ohio.

The Center For Thanatology Research & Education, Inc.

Non-profit small press, library, museum, resource center & mail order bookseller that handles books, media & periodicals on one major subject: the study of mortality - thanatology.

The Chadds Ford Historical Society

Pennsylvania.

The Chapels Society

England.

The Chesapeake & Ohio Historical Society

Railway society & archives.

The Chicago & Eastern Illinois Railroad Historical Society

The Chicora Foundation

South Carolina. A non-profit heritage preservation organization founded in 1983. Work includes archaeological and historical research throughout the Southeastern United States, public education (primarily right here in South Carolina), and work in conservation and preservation with museums, libraries, archives, historic organizations, cemeteries, and private citizens.

The Child Migrants Trust

United Kingdom. Over 130,000 children had been deported from Britain and shipped off to a new life in distant parts of the Empire. This long history of compulsory migration ended in 1967 when post-war child migration drew to a close. The Trust provides a highly professional, specialised service, reuniting Britain’s former Child Migrants with their mothers, fathers, brothers and sisters.

The Children's Society

United Kingdom.

The Church Monuments Society

United Kingdom. Conceived to encourage the appreciation, study and conservation of church monuments both in the UK and abroad.

The Cincinnati Civil War Round Table

Group of amateur historians from Greater Cincinnati and Northern Kentucky dedicated to the study of the American Civil War.

The Citrus Tree - Citrus County Genealogical Society

Inverness, Florida.

The City of York and District Family History Society

Yorkshire, England.

The Civil War Trus

The Civil War Trust is a private, non-profit membership organization which works to preserve our most historic Civil War battlefield sites. The Trust spearheads the campaign to preserve the historical, environmental, and cultural heritage which is the national endowment of our American battlefield lands.

The Clapham Society

Lambeth, England.

The Col. George L. Willard Camp No.154, Sons of Union Veterans of the Civil War

Incorporated in 1878, chartered in 1899, the Col. George L. Willard Camp No.154, previously known as the Jacob H. Ten Eyck Camp No.154, has been serving Albany and the Capital District and the North Country for over 110 years. We are the direct heirs of the Grand Army of the Republic and the Direct Descendants of the Union Veterans of the Civil War.

The Colerain Historical Society, Inc.

Hamilton County, Ohio.