Blair, John Jr.
Supreme Court of the United States (1789-1795)
American Philosophical Society
Filippo Mazzei letter book, 1788-1792; 2 microfilm reels; correspondence; originals held by the Biblioteca Nazionale Centrale, Florence, Italy.
Library of Congress
William Dawson family papers, 1728-1775; 2 vols.; correspondence.
Library of Virginia
Tucker-Ewell papers, 1770-1893; 183 leaves; correspondence.
College of William and Mary
Blair, Banister, Braxton, Horner, and Whiting papers, 1765-1817; 107 items; finding aid; correspondence.
Blair family papers, 1760-1890; 111 items; finding aid; correspondence.