``Integrating Polynomials in Secant and Tangent,''American Mathematical Monthly, 106, (1999), 856-859.
``Monoids, Semigroups, and Infinite Groups'' (with J. Rhodes), 150 page unpublished manuscript used as a text in graduate classes at UC-Berkeley, 1994
``The 0/1 Borsuk conjecture is generically true for each fixed diameter'' (with G. Ziegler) unpublished (8 pages)
``Windmills and extreme 2-cells'' (with D. Wise) unpublished (15 pages)