- Transtheoretic Foundations of Mathematics, Volume 1C: Goldbach Conjecture by H. Pogorzelski, December, 1997
- Colors of the Mind: Conjectures on Thinking in Literature by Angus Fletcher, November, 1991
- Constellations and conjectures by Norwood Russell Hanson,
- Explaining Human Origins : Myth, Imagination and Conjecture by Wiktor Stoczkowski, Mary Turton, September, 2002
- Novikov Conjectures, Index Theorems, and Rigidity: Volume 1 : Oberwolfach 1993 by Steven C. Ferry, Andrew Ranicki, et all January, 1996
- Unstable Modules over the Steenrod Algebra and Sullivan's Fixed Point Set Conjecture (Chicago Lectures in Mathematics Series) by Lionel Schwartz, May, 1994
- Adventures in Unhistory: Conjectures on the Factual Foundations of Several Ancient Legends by Avram Davidson, Peter S. Beagle, et all December, 1993
- Polynomial Automorphisms: And the Jacobian Conjecture (Progress in Mathematics, 190) by Arno Van Den Essen, A. R. P. Van Den Essen, December, 2000
- The Real Fatou Conjecture by Jacek Graczyk, Grzegorz Swiatek, 05 October, 1998
- Conjectures in Arithmetic Algebraic Geometry: A Survey by Wilfried W. Hulsbergen, December, 1994
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