ロバート・H・プリュイン
Greenwood Press: Westport. 1990. ISBN 031326788X
Seward, Frederick W. Autobiography of William H. Seward, from 1801 to 1834. D. Appleton: New York. 1877.
Stern, Philip Van Doren. When the Guns Roared: World Aspects of the American Civil War. Doubleday: New York, 1965.
Treat, Payson Jackson. The Early Diplomatic Relations Between the United States and Japan, 1853-1865. The Johns Hopkins Press: Baltimore, 1917. ISBN 0548594767
萩原延壽著「遠い崖 アーネスト・サトウ日記抄」1巻および2巻 朝日新聞社。ISBN 978-4022615435、ISBN 978-4022615442
日米交流サイト 富士山艦と甲鉄軍艦・ストーンウォール(東艦)の購入
American Council of Learned Societies. "Dictionary of American Biography". Charles Scribner's Sons: New York. 1959. Lee, Edwin B. "Robert H. Pruyn in Japan, 1862-1685". New York History 66 (1985) pp. 123-39. Robert H. Pruyn Papers, Albany Institute of History and Art, Albany, N.Y. "Friend's of Pruyn House web site "