| Popp, Jay A.; 1904 Red Book; 1904 | 1904 Red Book | 1904-00-00 | D. M. CLEMSON | Chief Engineer |
| Popp, Jay A.; 1905 Red Book; 1905 | 1905 Red Book | 1905-00-00 | D. M. CLEMSON | Chief Engineer |
| Popp, Jay A.; 1906 Red Book; 1906 | 1906 Red Book | 1906-00-00 | D. M. CLEMSON | Chief Engineer |
| Popp, Jay A.; 1907 Red Book; 1907 | 1907 Red Book | 1907-00-00 | D. M. CLEMSON | Chief Engineer |
| Popp, Jay A.; 1908 Lynn's; 1908 | 1908 Lynn's | 1908-00-00 | D. M. CLEMSON | Chief Engineer |
| Popp, Jay A.; Great Lakes News 2/44; 1944 | Great Lakes News 2/44 | 1944-00-00 | CLARENCE A. BLACK | First Assistant |