- A Letter to Aaron Burr, Vice-President of the United States of America: On the Barbarous Origin: The Criminal Nature and the Baneful Effects of Duels; Occasioned by His Late Fatal Interview with the D
- Prize Essays on a Congress of Nations, for the adjustment of international disputes, and for the promotion of Universal Peace without resort to arms. ... the substance of the rejected Essays.
- The Essays of Philanthropos [Pseud.] On Peace & War
- An Essay on a Congress of Nations: For the Adjustment of International Dispute Without Resort to Arms. Containing the Substance of the Rejected Essays on That Subject. with Original Thoughts and a Cop
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