Eon de Beaumont, Charles Geneviève Louis Auguste André Timothée d', 1728-1810.

The Chevalier d'Eon was a French diplomat and spy, who lived first as a man and later as a woman.

From the description of Additional papers, 1762-1802. (Harvard University). WorldCat record id: 612844422

From the guide to the Additional papers, 1762-1802., (Houghton Library, Harvard College Library, Harvard University)

Eon de Beaumont was a French diplomat, writer, spy, and cross-dresser.

From the description of Papers, 1769-1797. (Harvard University). WorldCat record id: 612739625

From the guide to the Papers, 1769-1797., (Houghton Library, Harvard College Library, Harvard University)