(en) « Washington's lost gift; Fifty Shares of Stock Willed by the First President to Endow a National University. », The New York Times, (lire en ligne)
pbs.org
(en) « Rediscovering George Washington », sur Public Broadcasting Service (consulté le ) : « I give and bequeath in perpetuity the fifty shares which I hold in the Potomac Company (under the aforesaid Acts of the Legislature of Virginia) towards the endowment of a University to be established within the limits of the District of Columbia, under the auspices of the General Government, if that Government should incline to extend a fostering hand towards it. »
