| Roberts, H.; 1936 Red Book; 1936 | 1936 Red Book | 1936-00-00 | HOWARD M. HANNA JR. | Chief Engineer |
| Roberts, H.; 1963 Red Book; 1963 | 1963 Red Book | 1963-00-00 | FARRANDOC | Chief Engineer |
| Roberts, H.; 1966 Red Book; 1965 | 1966 Red Book | 1965-00-00 | MONDOC | Chief Engineer |
| Roberts, H.; 1967 Red Book; 1967 | 1967 Red Book | 1967-00-00 | MONDOC | Chief Engineer |
| Roberts, H.; 1968 Red Book; 1968 | 1968 Red Book | 1968-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1969 Red Book; 1969 | 1969 Red Book | 1969-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1970 Red Book; 1970 | 1970 Red Book | 1970-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1971 Red Book; 1971 | 1971 Red Book | 1971-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1972 Red Book; 1972 | 1972 Red Book | 1972-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1973 Red Book; 1973 | 1973 Red Book | 1973-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1974 Red Book; 1974 | 1974 Red Book | 1974-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1975 Red Book; 1975 | 1975 Red Book | 1975-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1976 Red Book; 1976 | 1976 Red Book | 1976-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1977 Red Book; 1977 | 1977 Red Book | 1977-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1978 Red Book; 1978 | 1978 Red Book | 1978-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1979 Red Book; 1979 | 1979 Red Book | 1979-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1980 Red Book; 1980 | 1980 Red Book | 1980-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1981 Red Book; 1981 | 1981 Red Book | 1981-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1982 Red Book; 1982 | 1982 Red Book | 1982-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1983 Red Book; 1983 | 1983 Red Book | 1983-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1984 Red Book; 1984 | 1984 Red Book | 1984-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1985 Red Book; 1985 | 1985 Red Book | 1985-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1986 Red Book; 1986 | 1986 Red Book | 1986-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1987 Red Book; 1987 | 1987 Red Book | 1987-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1988 Lake Boats; 1988 | 1988 Lake Boats | 1988-00-00 | LABRADOC | Chief Engineer |
| Roberts, H.; 1989 Lake Boats; 1989 | 1989 Lake Boats | 1989-00-00 | CANADOC | Chief Engineer |
| Roberts, H.; 1990 Lake Boats; 1990 | 1990 Lake Boats | 1990-00-00 | SOODOC | Chief Engineer |