1965 (Publication #2)
Tightly embedded 2-dimensional polyhedral manifolds

1967 (Publication #3)
Critical points and curvature for embedded polyhedra

1970 (Publication #4)
Critical points and curvature for embedded polyhedral surfaces

1970 (Publication #5)
Non-rigidity theorems for tight polyhedral tori

1970 (Publication #6)
Periodic points of Anosov diffeomorphisms (with Michael I. Rosen)

1970 (Publication #7)
The spherical two piece property and tight surfaces in spheres

1970 (Publication #8)
Total central curvature of curves

1971 (Publication #9)
Applications of elementary calculus: Eight lectures in an NSF Sponsored Conference for College Teachers of Mathematics

1971 (Publication #10)
High codimensional 0-tight mappings on spheres

1971 (Publication #11)
On a generalization of the isoperimetric inequality (with William Pohl)

1971 (Publication #12)
Polyhedral Catastrophe I: Maps of the Line to the Line

1971 (Publication #13)
The two-piece property and tight n-manifolds-with-boundary in E^n

1974 (Publication #14)
Foliations of Knot Complements in the Bicylinder Boundary

1974 (Publication #15)
Global Geometry of Polygons I: The Theorem of Fabricius-Bjerre

1974 (Publication #16)
Real Time Computer Graphics Techniques in Geometry (with Charles Strauss)

1974 (Publication #17)
Tight Polyhedral Klein Bottles, Projective Planes, and Mobius Bands

1974 (Publication #18)
Triple Points and Singularities of Projections of Smoothly Immersed Surfaces

1974 (Publication #19)
Triple Points and Surgery for Immersed Surfaces

1975 (Publication #20)
Height functions with three critical points (with Floris Takens)

1975 (Publication #21)
Stiefel-Whitney Homology Classes and Singularities of Projections for Polyhedral Manifolds

1975 (Publication #22)
The Behavior of the Total Twist and Self-Linking Number of a Closed Space Curve under Inversions (with James E. White)