Melchior, Roger Logan, 1887–1963
Nationality: 
(United States)
Identities and Authority Control
- Open Library: OL2420391A
- SSN: 292074200
- pdbooks.info ID: 5515
Roger Logan Melchior Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Lessons on comptometer | 1917 | Author | |  | | |  | ||
| Modern lessons on calculating machines | 3d ed, rev. | 1920 | Author | | | | | | |