Al Cuoco (EDC) and Joseph Rotman (University of Illinois at Urbana-Champaign), MAA Textbook Learning Modern Algebra: From early Attempts to Prove Fermat's Last Theorem. 2013.
Ryota Matsuura (St. Olaf College), Sarah Sword (EDC), Mary Beth Piecham (EDC), Glenn Stevens (BU), Al Cuoco (EDC), Mathematical habits of mind for teaching: Using language in algebra classrooms [pdf]. The (Montana) Mathematics Enthusiast, Vol. 10, No. 13, 2013, pp. 735 -776.
Steve Rosenberg (BU), Mike Spillane and Daniel Wulf (Watertown HS), Heron Triangles and Moduli Spaces [pdf]. Mathematics Teacher, Vol. 101, No. 9, May 2008, pp. 656-663.
Allen Olsen (Lawrence HS), Divisibility Tests [pdf]. Mathematics Teacher, Vol. 100, No. 1, August 2006, pp. 46-52.
Ben Sinwell (Chelsea HS), Chebyshev Polynomials [pdf]. Mathematics Teacher, Vol. 98, No. 1, August 2004, pp. 20-25.
Al Cuoco (EDC), Teaching Mathematics in the United States [pdf]. Notices of the AMS, Vol. 50, No. 7, August 2003, pp. 777-787.
Glenn Stevens (BU), PROMYS for Teachers: Learning in the Spirit of Exploration [pdf].MER Forum, Vol. 13, No. 3, Summer 2001, pp. 7-10.