| Priefer, Robert; 1963 Red Book; 1963 | 1963 Red Book | 1963-00-00 | MILWAUKEE CLIPPER | Captain |
| Priefer, Robert; 1964 Red Book; 1964 | 1964 Red Book | 1964-00-00 | MILWAUKEE CLIPPER | Captain |
| Priefer, Robert; 1965 Red Book; 1965 | 1965 Red Book | 1965-00-00 | MILWAUKEE CLIPPER | Captain |
| Priefer, Robert; 1966 Red Book; 1965 | 1966 Red Book | 1965-00-00 | HIGHWAY 16 | Captain |
| Priefer, Robert; 1967 Red Book; 1967 | 1967 Red Book | 1967-00-00 | MILWAUKEE CLIPPER | Captain |
| Priefer, Robert; 1968 Red Book; 1968 | 1968 Red Book | 1968-00-00 | MILWAUKEE CLIPPER | Captain |
| Priefer, Robert; 1969 Red Book; 1969 | 1969 Red Book | 1969-00-00 | MILWAUKEE CLIPPER | Captain |
| Priefer, Robert; 1970 Red Book; 1970 | 1970 Red Book | 1970-00-00 | HIGHWAY 16 | Captain |