2.  On attaching 3-handles to a 1-connected 4-manifold, Pacific Journal of Math., Vol. 99 (1982), pp. 175-181.

3.  A class of (4,2)-Disk pairs which are trivial, Topology and Its Applications, 16 (1983), 171-180, North Holland.

4.  On the Reidemeister moves of a classical knot, Proc. Amer. Math. Soc., Vol. 89, No. 4, Dec. 1983, pp. 722-724.

5.  A general position theorem for surfaces in Euclidean 4-space, Contemporary Math. AMS, Vol. 44, 1985.

6.  Some comments concerning the Levine approach to slicing classical knots, Topology and Its Application, 23(1986), 217-235.

7.  A note concerning the Seifert manifolds of 2-knots, Proc. of Cambridge Phil. Soc., 100(1986), 113-116.

8.  A note concerning the 3-manifolds which span certain surfaces in the 4-ball, Proc. AMS, 102 (1988), 177-182.

9.  A relationship between Morse theory and codimension O immersions in dimension 2, preprint.

10.  Two comments concerning the uniqueness of prime factorizations for 3-manifolds, Bull. London Math. Soc., 19(1987), 75-77.

11.  Unknotted homology classes on unknotted surfaces in S³,  Trans. AMS, 318(1990), 48-56.

12.  Embedding Heegaard splittings into S⁴, preprint.

13.  Detecting knotted homology classes on Seifert surfaces, preprint.

14.  Simple Loop Obstructions and A Theorem Due to Magnus, preprint.

15.  A Reidemeister-Singer Theorem for Seifert Surfaces, in preparation.

16.  (with J. Corson) Geometry and Algebra of Nonspherical 2-Complexes, J. London Math. Soc. (2) 54(1996), 180-198.

17. (with J. Corson) Geometry and Algebra of Nonspherical 2-Complexes II, preprint.

18. (with J. Corson) Sufficiently Rigid Maps In Nonspherical 2-Complexes, preprint.