Hassler, Jasper Ole, 1884–1974
Nationality: 
(United States)
Identities and Authority Control
- SSN: 441307129
- pdbooks.info ID: 61955
Jasper Ole Hassler Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Plane geometry: a classroom-tested text | 1929 | Author | |  | |  | | ||
| The teaching of secondary mathematics | 1930 | Author | | | | | | 
| |
| Trigonometry | 1937 | Author | | | | | | ||