- 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.
- A Solemn Appeal to Christians of All Denominations in Favor of the Cause of Universal Peace (Classic Reprint)
- AN ESSAY ON A CONGRESS OF NATIONS FOR THE ADJUSTMENT OF INTERNATIONAL DISPUTES WITHOUT RESORT TO ARMS [Carnegie Endowment Int Peace]
- The Essays of Philanthropos on Peace and War
- An Essay on a Congress on Nations for the Adjustment of International Disputes Without Resort to Arm