March 2012]. （原始内容存档于2018-06-25）. Houghton Mifflin Company. The Houghton Mifflin dictionary of biography. Houghton Mifflin Harcourt. 2003: 782– [2018-11-21]

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（英语）. Allen, G. Weld. (1909). Our naval war with France. Boston: Houghton Mifflin company, p.42 Abbot, Willis J. (1898). The Naval History of the United

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Communism. 纽约时报. 1994-06-05 [2012-10-16]. （原始内容存档于2021-03-13）. Houghton Mifflin Company Completes Acquisition of Harcourt Education, Harcourt Trade and

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7-dehydrocholesterol. The American Heritage Stedman's Medical Dictionary. Houghton Mifflin Company. 21 January 2007. 7-dehydrocholesterol. Answers.com. [2019-12-30]

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and Arthur Griffin. The Boston Book. Houghton Mifflin Company: 1947. Holtz Kay, Jane. Lost Boston. Houghton Mifflin: 1999. ISBN 0-395-96610-8. 42°20′59

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泉 (安格尔)