| Ladds, Joseph P.; 1905 Red Book; 1905 | 1905 Red Book | 1905-00-00 | HURON | Chief Engineer |
| Ladds, Joseph P.; 1906 Red Book; 1906 | 1906 Red Book | 1906-00-00 | HURON | Chief Engineer |
| Ladds, Joseph P.; 1907 Red Book; 1907 | 1907 Red Book | 1907-00-00 | HURON | Chief Engineer |
| Ladds, Joseph P.; 1908 Lynn's; 1908 | 1908 Lynn's | 1908-00-00 | HURON | Chief Engineer |
| Ladds, Joseph P.; 1909 Red Book; 1909 | 1909 Red Book | 1909-00-00 | HURON | Chief Engineer |
| Ladds, Joseph P.; 1910 Red Book; 1910 | 1910 Red Book | 1910-00-00 | HURON | Chief Engineer |
| Ladds, Joseph P.; 1911 Red Book; 1911 | 1911 Red Book | 1911-00-00 | HURON | Chief Engineer |
| Ladds, Joseph P.; 1912 Red Book; 1912 | 1912 Red Book | 1912-00-00 | GREAT WESTERN | Chief Engineer |
| Ladds, Joseph P.; 1913 Red Book; 1913 | 1913 Red Book | 1913-00-00 | GREAT WESTERN | Chief Engineer |
| Ladds, Joseph P.; 1914 Red Book; 1914 | 1914 Red Book | 1914-00-00 | GREAT WESTERN | Chief Engineer |
| Ladds, Joseph P.; 1917 Red Book; 1917 | 1917 Red Book | 1917-00-00 | GREAT WESTERN | Chief Engineer |
| Ladds, Joseph P.; 1918 Red Book; 1918 | 1918 Red Book | 1918-00-00 | TRANSPORT | Chief Engineer |
| Ladds, Joseph P.; 1919 Red Book; 1919 | 1919 Red Book | 1919-00-00 | GREAT WESTERN | Chief Engineer |