Isabel L. Beck/ Margaret G. McKeown/ Linda Kucan
(4)
Margaret G. McKeown/ Paul D. Deane/ Judith A. Scott/ Robert Krovetz/ Ren?R. Lawless
(2)
Isabel L. (University of Pennsylvania (Emeritus) Beck United States),Margaret (University of Pittsburgh McKeown United States),Cheryl (University of Pittsburgh Sandora United States)
(1)
Isabel L. Beck/ Margaret G. McKeown
(1)
Isabel L. Beck/ Rober C. Farr/ Dorothy S. Strickland/ Alma Flor Ada/ Marcia Brechtel/ Margaret McKeown/ Nancy Roser/ Hallie Kay Yopp
(1)
Isabel L. Beck/ Roger C. Farr/ Dorothy S. Strickland/ Alma Flor Ada/ Marcia Brechtel/ Margaret McKeown/ Nancy Roser
(1)
Margaret G. McKeown (EDT)/ Linda Kucan (EDT)
(1)