Coffin, George Sturgis, 1903–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL1551039A
- pdbooks.info ID: 76409
George Sturgis Coffin Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
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| Endplays at bridge explained: a systematic treatise on the three kinds of master plays, eliminations, coups, squeezes | 1932 | Author | |  | |  | | ||
| Winning duplicate: a systematic treatise on how to play duplicate contract bridge, including an analysis of the best systems for bidding and featureing the automatic forcing system for match point play | 1933 | Author | | | | | | ||