Porte, Roy Trewin
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 34488
Roy Trewin Porte Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Estimating hints for printing | 1923 | Author | |  | |  | | ||
| The practical cost system for printing offices | 1924 | Author | | | | | | ||
| Printing throughout the world | 1928 | Author | | | | | | ||