Heckscher, John Gerard
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2332593A
- pdbooks.info ID: 152403
John Gerard Heckscher Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Catalogue of the library of the late John Gerard Heckscher | 1909 | Author | |  | |  | | 
| |