Unger, H. G. (2011). Improbable patriot: The secret history of Monsieur de Beaumarchais, the French playwright who saved the American Revolution. University Press of New England.

Unger, Harlow G. Improbable Patriot: The Secret History of Monsieur De Beaumarchais, the French Playwright Who Saved the American Revolution. Hanover [N.H.]: University Press of New England, 2011.

Unger, Harlow G. Improbable Patriot: The Secret History of Monsieur De Beaumarchais, the French Playwright Who Saved the American Revolution. University Press of New England, 2011.