found: Making mathematics with needlework, 2007:e-CIP t.p. (Sarah-Marie Belcastro)
found: Figuring fibers, 2018:ECIP t.p. (Sarah-Marie Belcastro) data view (b. June 18, 1970)
found: Discrete mathematics with ducks, 2019:title page (Sarah-Marie Belcastro)
found: Sarah-Marie Belcastro web site, May 24, 2019:(I am currently the Director of MathILy, a Research Associate at Smith College, and an instructor at the Art of Problem Solving. ; [email protected] ; Ph.D. The University of Michigan, Ann Arbor, MI, May 1997; M.S. The University of Michigan, Ann Arbor, MI, May 1993; B.S. Haverford College, Haverford, PA, May 1991 ; Holyoke, MA) - http://www.toroidalsnark.net/