"'Charlot loves his people': The Defeat of Bitterroot Salish Aspirations for an Independent Bitterroot Valley Community". Montana The Magazine of Western History. 60 (1): 27. JSTOR 25701716. Archived from the original on March 18, 2021. Retrieved February 25, 2021.

^ G., J. A. (1876). "PONS ASINORUM". New England Journal of Education. 3 (14): 161. ISSN 2578-4145. JSTOR 44764657.

^ Dunham, William (1994). The Mathematical Universe: An Alphabetical Journey Through the Great Proofs, Problems, and Personalities. Wiley & Sons. p. 99. Bibcode:1994muaa.book.....D. ISBN 9780471536567.

^ Kolpas, Sid J. "Mathematical Treasure: Garfield's Proof of the Pythagorean Theorem". Mathematical Assoc. of America. Archived from the original on December 6, 2021. Retrieved December 22, 2021.

^ William C. Ringerberg, "The Religious Thought and Practice of James A. Garfield" Old Northwest (1982) 8#4 pp 365–382.

^ Allan Peskin, "James A. Garfield, Historian" The Historian 43#4 (1981), pp. 483–492 online Archived March 8, 2021, at the Wayback Machine.

^ Jump up to: a b Peskin 1978, pp. 454–455.

^ Peskin 1978, pp. 456–457.

^ Doenecke 1981, pp. 17–19.

^ Matthews, Dylan (July 20, 2016). "Donald Trump and Chris Christie are reportedly planning to purge the civil service". Vox. Archived from the original on March 22, 2019. 