- G Birkhoff, Review: An Introduction to Abstract Algebra, by Cyrus C MacDuffee,
*Science, New Series***93**(2408) (1941), 185-186. - R Brauer, Review: Vectors and matrices, by C C MacDuffee,
*Bull. Amer. Math. Soc.***52**(5) (1946), 405-407. - L Carlitz, Review: Theory of Equations, by C C MacDuffee,
*Amer. Math. Monthly***61**(10) (1954), 723-724. - Cyrus Colton MacDuffee,
*Department of Mathematics, The Ohio State University*.

http://www.math.osu.edu/history/biographies/CyrusMacDuffee.html - C G Fry, Review: Theory of Equations, by Cyrus Colton MacDuffee,
*Science, New Series***119**(3099) (1954), 730. - L W Griffiths, Review: An Introduction to Abstract Algebra by Cyrus Colton MacDuffee,
*National Mathematics Magazine***15**(4) (1941), 211-212. - K A Hirsch, Review: Theory of Equations, by C C MacDuffee,
*The Mathematical Gazette***39**(329) (1955), 260. - M H Ingraham, Review: The Theory of Matrices, by C C MacDuffee,
*Bull. Amer. Math. Soc.***40**(5) (1934), 372-373. - C C MacDuffee, Teacher Education in Algebra,
*Amer. Math. Monthly***60**(6) (1953), 367-375. - C C MacDuffee, Objectives in Calculus,
*Amer. Math. Monthly***54**(6) (1947), 335-337. - C C MacDuffee, Mathematics curriculum in perspective,
*The Mathematics Teacher***52**(4) (1959), 265-267. - C C MacDuffee, An Objective in Education,
*The Mathematics Teacher***38**(8) (1945), 339-344. - C C MacDuffee, The Scholar in a Scientific World,
*Amer. Math. Monthly***55**(3) (1948), 129-140. - C C MacDuffee, What Mathematics Shall We Teach in the Fourth Year of High School?,
*The Mathematics Teacher***45**(1) (1952), 1-5; 9. - N H McCoy, Review: Introduction to abstract algebra, by C C MacDuffee,
*Bull. Amer. Math. Soc.***47**(7) (1941), 539-543. - K W Wegner, Review: Theory of Equations by Cyrus Colton MacDuffee,
*The Mathematics Teacher***47**(6) (1954), 422.

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