Petersen, Niels Frederick
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL4477281A
- pdbooks.info ID: 19245
Niels Frederick Petersen Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Flora of Nebraska | 1923 | Author | |  | |  | | ||
| Flora of Nebraska | 1912 | Author | | | | | |    
| |