| Sauber, William; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | M. A. REEB | Chief Engineer |
| Sauber, William; 1926 Red Book | 1926 Red Book | | M. A. REEB | Chief Engineer |
| Sauber, William; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | THEODORE H. WICKWIRE | Chief Engineer |
| Sauber, William; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | THEODORE H. WICKWIRE | Chief Engineer |
| Sauber, William; 1930 Red Book; 1930 | 1930 Red Book | 1930-00-00 | THEODORE H. WICKWIRE | Chief Engineer |
| Sauber, William; 1931 Red Book; 1931 | 1931 Red Book | 1931-00-00 | THEODORE H. WICKWIRE | Chief Engineer |