Riegel, Robert Edgar, 1897–(no earlier than 1957)
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL1653704A
- pdbooks.info ID: 38290
Robert Edgar Riegel Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| America moves west | 1930 | Author | |  | |  | |    
| |
| The story of the western railroads | 1926 | Author | |  | | | | ||