| Dumars, August; 1902 Red Book; 1902 | 1902 Red Book | 1902-00-00 | PALMER | Chief Engineer |
| Dumars, August; 1906 Red Book; 1906 | 1906 Red Book | 1906-00-00 | NESHOTO | Chief Engineer |
| Dumars, August; 1908 Lynn's; 1908 | 1908 Lynn's | 1908-00-00 | NESHOTO | Chief Engineer |
| Dumars, August; 1910 Red Book; 1910 | 1910 Red Book | 1910-00-00 | AMAZON | Chief Engineer |
| Dumars, August; 1911 Red Book; 1911 | 1911 Red Book | 1911-00-00 | AUSTRALIA | Chief Engineer |
| Dumars, August; 1913 Red Book; 1913 | 1913 Red Book | 1913-00-00 | PRICE MCKINNEY | Chief Engineer |
| Dumars, August; 1914 Red Book; 1914 | 1914 Red Book | 1914-00-00 | AMAZON | Chief Engineer |