POWERS, SAMUEL RALPH.
Exploring our world, by Samuel Ralph Powers, Elsie Flint Neuner, Herbert Bascom Bruner & John Hodgdon Bradley. Drawings & paintings by Robert Blattner & others. Posed photos. by Joan Wilson. (Adventuring in science)
POWERS, SAMUEL RALPH. Exploring our world, by Samuel Ralph Powers, Elsie Flint Neuner, Herbert Bascom Bruner & John Hodgdon Bradley. Drawings & paintings by Robert Blattner & others. Posed photos. by Joan Wilson. (Adventuring in science) © 22May40; A140862. Samuel Ralph Powers (A); 5Feb68; R429062.
Samuel Ralph Powers|A