Barbara R. Hegner/ Barbara Acello/ Esther Caldwell
(3)
Barbara Hegner/ Barbara Acello/ Esther Caldwell
(2)
;Caldwell, Bruce,Davis, John,Maki, Uskali (University of Helsinki, Finland),Sent, Esther-Mirjam
(1)
Barbara Hegner/ Barbara Acello/ Esther Caldwell/ Joan Fritsch Needham
(1)
Barbara R. Hegner/ Barbara Acello/ Esther Caldwell Ph.D.
(1)
Barbara R. Hegner/ Esther Caldwell
(1)
Blanche Caldwell Barrow/ John Neal Phillips (EDT)/ Esther L. Weiser (FRW)
(1)
Caldwell, Bruce,Davis, John,Maki, Uskali (University of Helsinki, Finland),Sent, Esther-Mirjam
(1)