Powers, Samuel Ralph, 1887–1970
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL1777192A
- pdbooks.info ID: 27011
Samuel Ralph Powers Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| A diagnostic study of the subject matter of high school chemistry | 1924 | Author | |  | |  | | ||
| An introductory course in science for colleges | 1934 | Editor | | | | | | ||