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Pythagorean Triangles with Sum and Difference of Legs Equal to a Prime." Dissertation
"References for #2420," (a short bibliographic note) Amer. Math Monthly, Jun.  Jul. (1974).
"A Computer Test of a Conjecture About Primitive Pythagorean Triples," jointly with J. A. Wehlen. Notices of AMS, vol. 22, Feb. (1975) p. A  304.
"Pythagorean Triangles," jointly with J. A. Wehlen. Fib. Quart. vol. 13, Apr. (1975) pp.110  120. [The full 23 page text was sold by Fibonacci Quarterly].
"Primitive Pythagorean Triples with Sum or Difference of Legs Equal to a Prime," Fib. Quart., vol. 13, Oct. (1975) pp. 263  277.
"SemiAssociates in Z[sqrt(2)] and Primitive Pythagorean Triples," Fib. Quart., vol. 15, Oct. (1977) pp. 258  264.
"Pythagorean Triples and the Infinitude of Primes," Fib. Quart., vol. 19, Dec. (1981).
"An Application of Pell's Equation," Fib. Quart., vol. 19 Dec. (1981).
Elements of Number Theory, Prindle, Weber & Schmidt, Boston, MA, (with I. A. Barnett in 1969). Revised in 1971 with J. A. Wehlen.
Critical Thinking Approach to Competency Arithmetic, MTE, Denver, CO, 1996.
Critical Thinking Approach to Geometric and Measurement Topics, MTE, Denver, CO, 1989.
Critical Thinking Approach to Beginning Algebra, MTE, Denver, CO, 1989
Critical Thinking Approach to Intermediate Algebra, MTE, Denver, CO, 1989
Critical Thinking Approach to College Algebra, MTE, Denver, CO, 1994.
Critical Thinking Approach to PreCalculus, MTE, Denver, CO, 1995.
Concepts and Skills in Basic Mathematics, vols. I, II, III, Kendall/Hunt, Dubuque, IA, 1979.
Basic Algebra, Prindle, Weber & Schmidt, Boston, MA, 1975.