(1) [Non-mathematical] "An Entertaining Tale of Quadrupeds" (jointly with Nick Nicholas), Columbia University Press, June 2003

(2) "Isometrica", http://www.oswego.edu/~baloglou/103/isometrica.pdf, May 2007

(1) "Compact-covering numbers" (jointly with W. W. Comfort), Fundamenta Mathematicae, v. 131 (1988), pp. 69-82

(2) "On the inequality L(X) <= 2^s(X) and related topics", Annals of the New York Academy of Sciences, v. 552 (1989), pp. 8-20

(3) "An Arcsine Inequality", Problem E 3326, American Mathematical Monthly, January 1991, p. 62.

(4) "A Problem in the Open Disc" (jointly with Phil Tracy), Annals of the New York Academy of Sciences, v. 704 (1993), pp. 353-54

(5) "Comparing sums of numbers with equal products" (jointly with Phil Tracy), Problem 6667, American Mathematical Monthly, November 1994, pp. 914-16 and December 1995, p. 935

(6) "The cleverest solution may not be the most productive" (in Greek), Mathematiki Paideia, v. 2 (1996), pp. 76-78

(7) "tanh(theta) <= tan(theta) for -PI/4 < theta < PI/4" (jointly with Robert Underwood), The College Mathematics Journal, v. 28, March 1997, pp. 147-48

(8) "Small sets meeting all circles" (jointly with Fred Galvin), Problem 10345, American Mathematical Monthly, April 1997, pp. 362-63

(9) Problem 2673, Crux Mathematicorum, November 2002, pp. 468-71

(10) "Finding Equations of Tangents to Conics" (jointly with Michel Helfgott), The AMATYC Review, v. 25, n. 2, Spring 2004, pp. 35-45

(11) Problem 2865, Crux Mathematicorum, October 2004, pp. 375-76

(12) "Angles, area, and perimeter caught in a cubic" (jointly with Michel Helfgott), Forum Geometricorum, v. 8, 2008, pp. 13-25

(1) "Circular Sets" (jointly with Phil Tracy), http://www.oswego.edu/~baloglou/math/circular.pdf, 1993

(2) "Gronwall's Inequality Revisited" (jointly with Fred Barber), http://www.oswego.edu/~baloglou/math/gronwall.pdf, 1997

(3) "Isometries come in circles", http://www.oswego.edu/~baloglou/103/circle-isometries.pdf, 2001

(4) "The general conic and four tangent line problems" (jointly with Michel Helfgott), http://www.oswego.edu/~baloglou/math/conic-tangents.pdf, 2005