Cowan, Robert G. (Robert Granniss)
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL1124151A
- pdbooks.info ID: 83698
Robert G. (Robert Granniss) Cowan Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
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| The admission of the 31st State by the 31st Congress | 1962 | Author | |  | |  |  | 
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| A bibliography of the history of California, 1510-1930 | 1933 | Author | | | | | | ||
| Ranchos of California: a list of Spanish concessions, 1775-1822, and Mexican grants, 1822-1846 | 1956 | Author | | | | | |
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