| Dungan, William; 1915 Red Book; 1915 | 1915 Red Book | 1915-00-00 | CITY OF HAMILTON | Chief Engineer |
| Dungan, William; 1917 Red Book; 1917 | 1917 Red Book | 1917-00-00 | CITY OF HAMILTON | Chief Engineer |
| Dungan, William; 1918 Red Book; 1918 | 1918 Red Book | 1918-00-00 | CITY OF HAMILTON | Chief Engineer |
| Dungan, William; 1920 Red Book; 1920 | 1920 Red Book | 1920-00-00 | CITY OF HAMILTON | Chief Engineer |
| Dungan, William; 1921 Red Book; 1921 | 1921 Red Book | 1921-00-00 | CITY OF HAMILTON | Chief Engineer |
| Dungan, William; 1922 Red Book; 1922 | 1922 Red Book | 1922-00-00 | CITY OF HAMILTON | Chief Engineer |
| Dungan, William; 1923 Red Book; 1923 | 1923 Red Book | 1923-00-00 | CITY OF HAMILTON | Chief Engineer |
| Dungan, William; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | CITY OF HAMILTON | Chief Engineer |
| Dungan, William; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | WAHCONDAH | Chief Engineer |
| Dungan, William; 1930 Red Book; 1930 | 1930 Red Book | 1930-00-00 | WAHCONDAH | Chief Engineer |
| Dungan, William; 1931 Red Book; 1931 | 1931 Red Book | 1931-00-00 | WAHCONDAH | Chief Engineer |
| Dungan, William; 1932 Red Book; 1932 | 1932 Red Book | 1932-00-00 | WAHCONDAH | Chief Engineer |
| Dungan, William; 1933 Red Book; 1933 | 1933 Red Book | 1933-00-00 | WAHCONDAH | Chief Engineer |
| Dungan, William; 1936 Red Book; 1936 | 1936 Red Book | 1936-00-00 | ALBERT C. FIELD | Chief Engineer |