American Philosophical Society
Daughters of the American Revolution
George Washington’s Mount Vernon Estate and Gardens
Library of Congress
Maine Historical Society
Pennsylvania Academey of the Fine Arts
Pennsylvania History
National Archives and Records Administration
National Park Service
National Society Sons of the American Revolution
Omohundro Institute of Early American History & Culture
Portsmouth NH Historical Society
The Papers of George Washington
Valentine Design Inc.
Valley Forge National Historical Park
W. Cary Eberly