المؤلفون: Peterson, R. L., Hersey, Ruth E., Brisson, J. D.

المصدر: Stain Technology; 1978, Vol. 53 Issue 1, p1-9, 9p

المؤلفون: Baugh, Jamie, Childs, Barbara, Rubin, Robin, Cowne, Kajsa, Bottomley, Sheila, Higham, Barbara, Sommer, Camille, Hersey, Ruth

المصدر: New Beginnings; Mar/Apr2007, Vol. 24 Issue 2, p84-87, 4p

المؤلفون: Hersey, Ruth, Mealins, Amelia, Higham, Barbara, Fields, Sara R., Gonzales, Melissa

المصدر: New Beginnings; Mar/Apr2007, Vol. 24 Issue 2, p78-81, 4p

المؤلفون: Sommer, Camille, Anneser, Allison, Caldera, Isabel, Rother, Cindy, Barrett, Barb, Hersey, Ruth, Gold, Selene, Farnsworth, Juno

المصدر: New Beginnings; Jul/Aug2006, Vol. 23 Issue 4, p180-183, 4p

المؤلفون: Freitas, Sandy, Corbett, Jody, Adam, Sophie, Hersey, Ruth, Voskamp, Petra, Ron, Donna, Jester, Carol, Wick, Cynthia, Matitya, Rivka, Oates, Amy, Sottrel, Sara, Unwin, Jill, Chaves, Renae, Cantoni, Ruth

المصدر: New Beginnings; Jul/Aug2006, Vol. 23 Issue 4, p174-177, 4p

المؤلفون: Stoner, Cheryl Peachey, Mesling, Chena, Hacker, Juli Ziemer, Hersey, Ruth, Baugh, Jamie, Hunt, Carolyn, Higham, Barbara

المصدر: New Beginnings; Jul/Aug2005, Vol. 22 Issue 4, p164-167, 4p

المؤلفون: Phillips-Duken, Cara, Rubin, Lynne, Goodwin, Debbie, Schmidt, Melissa, Hersey, Ruth

المصدر: New Beginnings; Jul/Aug2006, Vol. 23 Issue 4, p168-171, 3p