Ánh, P.N., & Siddoway, M. (2016), Gauss’ lemma and valuation theory. Quaestiones Mathematicae, v. 39 (5), 603-609, doi: 10.2989/16073606.2015.1119214 .

Ánh, P.N., & Siddoway, M. (2016), Divisibility theory of arithmetical rings with one minimal prime ideal. Communications in Algebra, v. 44 (2), 823-836, doi: 10.1080/00927872.2014.990025 .

Ánh, P. N. and M. Siddoway (2010), Divisibility theory of semi-hereditary rings, Proc. Amer. Math. Soc. 138 (2010), 4231-4242. 10.1090/S0002-9939-2010-10465-3 .

Siddoway, C. and Siddoway, M., 2007, Geometrical analysis of structural data collected at high South latitude: A modular arithmetic method that addresses meridional convergence. In: Cooper, A. and Raymond, C., Antarctica: A Keystone in a Changing World, U.S. Geological Survey and The National Academies, USGS Open-File Report 2007-1047.

Siddoway M.F. (1999), On Lemmas, Theorems, Corollaries, and All That, Counterpoints, v. 90, Chapter 13, How We Work, pp. 127-137.

Siddoway M.F. (10/5/1999), The Middle East: In Deep, The Catalyst, Colorado College, p. 11.

Laubenbacher R., D. Pengelley, and M. Siddoway (1994), Recovering motivation in mathematics: Teaching with original sources, *Undergraduate Mathematics Education Trends* 6, pp. 1-7.

Laubenbacher R., D. Pengelley, and M. Siddoway (1994), Great Problems of Mathematics: A Summer Workshop for High School Students, College Mathematics Journal 25 (1994), 112-114.

Siddoway, M. F. (1990), On endomorphism rings of modules over henselian rings,** **Communications in Algebra, v. 18 (5), 1323-1335, doi: 10.1080/00927879008823967.

Siddoway M. F. (1990), Some are mathematicians, *Science as Culture*, v. 2 (3), pp. 337-340.

Siddoway, M. F. (1988), Ph.D. Dissertation: *Decompositions of Modules Over Valuation Domains*. Advised by: László Fuchs.

**Extramural grants**

Summer Mathematics Workshops for High School Students, NSF 9154929, 1992-1994; $80,669.00. Principal investigator, Mike Siddoway, Colorado College.

Council for International Exchange of Scholars (CIES), 1999, Fulbright Scholarship supporting an academic residency at Colorado College for historian of mathematics John Fauvel, Open University, London.

Council for International Exchange of Scholars (CIES), 1994, Fulbright Scholarship supporting an academic residency at Colorado College for African playwright, Oga Aba.

**Selected recent conference presentations**

M. Siddoway, 2014, A Generalization of Gauss’ Lemma to Arbitrary Domains, Mathematical Association of America, Rocky Mountain Section (March 28-29, Laramie, Wyoming).

P. N. Ánh and M. Siddoway (2013), Gauss’ Lemma and valuation theory, The 4th Novi Sad Algebraic Conference (NSAC 2013), Serbia.

C. Siddoway and M. Siddoway, 2007, Geometrical analysis of structural data collected at high South latitude: A modular arithmetic method that addresses meridional convergence, 10th International Symposium on Antarctic Earth Sciences (Aug. 26 to Sept 1)**, PS-84 .**