| Williamson, G.; 1932 Red Book; 1932 | 1932 Red Book | 1932-00-00 | ROBERT P. DURHAM | Chief Engineer |
| Williamson, G.; 1933 Red Book; 1933 | 1933 Red Book | 1933-00-00 | ROBERT P. DURHAM | Chief Engineer |
| Williamson, G.; 1934 Red Book; 1934 | 1934 Red Book | 1934-00-00 | ROBERT P. DURHAM | Chief Engineer |
| Williamson, G.; 1935 Red Book; 1935 | 1935 Red Book | 1935-00-00 | ROBERT P. DURHAM | Chief Engineer |
| Williamson, G.; 1936 Red Book; 1936 | 1936 Red Book | 1936-00-00 | ROBERT P. DURHAM | Chief Engineer |
| Williamson, G.; 1937 Red Book; 1937 | 1937 Red Book | 1937-00-00 | ROBERT P. DURHAM | Chief Engineer |
| Williamson, G.; 1938 Red Book; 1938 | 1938 Red Book | 1938-00-00 | ROBERT P. DURHAM | Chief Engineer |