| Laing, Theodore W.; 1910 Red Book; 1910 | 1910 Red Book | 1910-00-00 | W. R. WOODFORD | Chief Engineer |
| Laing, Theodore W.; 1912 Red Book; 1912 | 1912 Red Book | 1912-00-00 | SENATOR | Chief Engineer |
| Laing, Theodore W.; 1919 Red Book; 1919 | 1919 Red Book | 1919-00-00 | WILLIAM P. COWAN | Chief Engineer |
| Laing, Theodore W.; 1920 Red Book; 1920 | 1920 Red Book | 1920-00-00 | WILLIAM P. COWAN | Chief Engineer |
| Laing, Theodore W.; 1921 Red Book; 1921 | 1921 Red Book | 1921-00-00 | WILLIAM P. COWAN | Chief Engineer |
| Laing, Theodore W.; 1922 Red Book; 1922 | 1922 Red Book | 1922-00-00 | WILLIAM P. COWAN | Chief Engineer |
| Laing, Theodore W.; 1923 Red Book; 1923 | 1923 Red Book | 1923-00-00 | WILLIAM P. COWAN | Chief Engineer |
| Laing, Theodore W.; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | WILLIAM P. COWAN | Chief Engineer |
| Laing, Theodore W.; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | WILLIAM P. COWAN | Chief Engineer |
| Laing, Theodore W.; 1926 Red Book | 1926 Red Book | | WILLIAM P. COWAN | Chief Engineer |
| Laing, Theodore W.; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | WILLIAM P. COWAN | Chief Engineer |
| Laing, Theodore W.; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | ROBERT W. STEWART | Chief Engineer |
| Laing, Theodore W.; 1930 Red Book; 1930 | 1930 Red Book | 1930-00-00 | ROBERT W. STEWART | Chief Engineer |
| Laing, Theodore W.; 1931 Red Book; 1931 | 1931 Red Book | 1931-00-00 | EDWARD G. SEUBERT | Chief Engineer |
| Laing, Theodore W.; 1932 Red Book; 1932 | 1932 Red Book | 1932-00-00 | EDWARD G. SEUBERT | Chief Engineer |
| Laing, Theodore W.; 1933 Red Book; 1933 | 1933 Red Book | 1933-00-00 | EDWARD G. SEUBERT | Chief Engineer |
| Laing, Theodore W.; 1934 Red Book; 1934 | 1934 Red Book | 1934-00-00 | EDWARD G. SEUBERT | Chief Engineer |
| Laing, Theodore W.; 1935 Red Book; 1935 | 1935 Red Book | 1935-00-00 | EDWARD G. SEUBERT | Chief Engineer |
| Laing, Theodore W.; 1936 Red Book; 1936 | 1936 Red Book | 1936-00-00 | EDWARD G. SEUBERT | Chief Engineer |
| Laing, Theodore W.; 1937 Red Book; 1937 | 1937 Red Book | 1937-00-00 | EDWARD G. SEUBERT | Chief Engineer |
| Laing, Theodore W.; 1938 Red Book; 1938 | 1938 Red Book | 1938-00-00 | RED CROWN | Chief Engineer |
| Laing, Theodore W.; Great Lakes News 10/37; 1937 | Great Lakes News 10/37 | 1937-00-00 | RED CROWN | Chief Engineer |
| Laing, Theodore W.; Great Lakes News 12/39; 1939 | Great Lakes News 12/39 | 1939-00-00 | RED CROWN | Chief Engineer |
| Laing, Theodore W.; Great Lakes News 6/45; 1945 | Great Lakes News 6/45 | 1945-00-00 | ROBERT W. STEWART | Chief Engineer |