His doctoral dissertation, Documentary History of the Construction of the Buildings at the University of Virginia, 1817–1828, consisting of a lengthy narrative and more than 1,750 documents chronicling the construction of Thomas Jefferson's architectural masterpiece, the Academical Village Archived 24 April 2001 at the Wayback Machine, became the first electronic dissertation to be placed online when it was completed in 1996.
The dissertation was tagged in the Standard Generalized Markup Language (SGML) while Grizzard was a fellow at the University of Virginia's Institute for Advanced Technologies in the Humanities (IATH).
While at the Washington Papers, he was responsible for placing online the 39-volume edition of The Writings of George Washington from the Original Manuscript Sources 1745–1799, edited between 1931 and 1944 by John C. Fitzpatrick Archived 14 June 2010 at the Wayback Machine, the Assistant Chief of the Manuscripts Division of the Library of Congress.
For several years Grizzard hosted radio programs at WTJU in Charlottesville, including "The Old Home Place" (a traditional and gospel Bluegrass show), and "Just 'Nuther" (a 3-hour artist showcase of various genres).
[4] At both the University of Virginia and at Washington and Lee University, Grizzard coordinated lecture series bringing together more than three dozen prominent historians and writers to speak about various historical subjects, including George Washington, Thomas Jefferson, Colonial Jamestown, and Robert E.