• Essential Cohomology of Finite Groups
  (with A. Adem) Commentarii Mathematici Helvetici 72 (1997) no. 1, pp. 101-109.


• Conjugacy in Groups of Upper Triangular Matrices.
  (with I. M. Isaacs) Journal of Algebra 202 (1998) no. 2, pp. 704-711.


• On the Cohomology of The Lyons Group and the Double Covers of the Alternating Groups.
  (with A. Adem, R. J. Milgram, and K. Umland) Journal of Algebra 208 (1998) no. 2, pp. 452-479.


• The Cohomology of Galois Groups Determined by Witt Rings
  (Research Announcement). (with A. Adem and J. Minac) Comptes Rendus t.326 (1998) Serie 1, pp. 919-924.


• The Module Structure of a Group Action on a Polynomial Ring.
  (with P. Symonds) Journal of Algebra, 18 (1999) no. 2 pp. 672-679.


• The Cohomology of Galois Groups Determined by Witt Rings.
  (with A. Adem and J. Minac) Advances in Mathematics, 148 (1999), no. 1, pp. 105-160.


• On the Cohomology of the Higman-Sims Group.
  (with A. Adem, J. Carlson, and R. J. Milgram) Journal of Pure and Applied Algebra, to appear.


• Field Theory and the Cohomology of Some Galois Groups.
  (with A. Adem, W. Gao, and J. Minac) Journal of Algebra, 235 (2001), no. 2, pp. 608-635.


• Matching complexes, bounded degree graph complexes, and weight spaces of GL(n)-complexes.
  (with V. Reiner and M. Wachs) Journal of Algebra, 239 (2001), no. 1, pp. 77-92.


• The Module Structure of a Group Action on a Polynomial Ring: A Finiteness Theorem
  (with P. Symonds), preprint 2002.


• The Module Structure of a Group Action on a Polynomial Ring: Examples, Generalizations, and Applications
  (with P. Symonds), preprint 2002.


• Involutions and Characters of Groups of Upper Triangular Matrices over Fields of Characteristic Two
  preprint 2002.