Book of the fourth American peace congress : St. Louis, May 1, 2, 3, 1913

Eitemau Tebyg

• Proceedings of the third American Peace Congress, held in Baltimore, Maryland, May 3 to 6, 1911
  Cyhoeddwyd: (1911)
• Proceedings of the second National peace congress : Chicago, May 2 to 5, 1909
  Cyhoeddwyd: (1909)
• Proceedings of the fifth American Peace Congress held in San Francisco, California, October 10-13, 1915, as the sixth and last congress of the Committee of one hundred (appointed by the Federal Council of the Churches of Christ in America to have charge of the religious activities during the Panama-Pacific International Exposition) and under the auspices of the Church Peace Union--the American Peace Society, assisted by the American League to limit armaments--the American Peace Centenary Committee--the League to enforce peace--the San Francisco Federated Peace Committee for 1915, and the Woman's Peace Party
  Cyhoeddwyd: (1915)
• Official report of the thirteenth Universal peace congress : held at Boston, Massachusetts, U.S.A., October third to eighth, 1904
  Cyhoeddwyd: (1904)
• Official report of the fifth Universal peace congress held at Chicago, United States of America, August 14 to 20, 1893, under the auspices of the World's congress auxiliary of the World's Columbian exposition
  Cyhoeddwyd: (1893)