| Folkert, Robert H.; 1922 Red Book; 1922 | 1922 Red Book | 1922-00-00 | VICTORY | Chief Engineer |
| Folkert, Robert H.; 1923 Red Book; 1923 | 1923 Red Book | 1923-00-00 | VICTORY | Chief Engineer |
| Folkert, Robert H.; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | VICTORY | Chief Engineer |
| Folkert, Robert H.; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | VICTORY | Chief Engineer |
| Folkert, Robert H.; 1926 Red Book | 1926 Red Book | | VICTORY | Chief Engineer |
| Folkert, Robert H.; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | VICTORY | Chief Engineer |
| Folkert, Robert H.; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | VICTORY | Chief Engineer |
| Folkert, Robert H.; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | VICTORY | Chief Engineer |
| Folkert, Robert H.; 1930 Red Book; 1930 | 1930 Red Book | 1930-00-00 | VICTORY | Chief Engineer |
| Folkert, Robert H.; 1931 Red Book; 1931 | 1931 Red Book | 1931-00-00 | VICTORY | Chief Engineer |
| Folkert, Robert H.; 1936 Red Book; 1936 | 1936 Red Book | 1936-00-00 | ODANAH | Chief Engineer |
| Folkert, Robert H.; 1937 Red Book; 1937 | 1937 Red Book | 1937-00-00 | C. S. ROBINSON | Chief Engineer |
| Folkert, Robert H.; 1940 Red Book; 1940 | 1940 Red Book | 1940-00-00 | ARCTURUS | Chief Engineer |
| Folkert, Robert H.; 1941 Red Book; 1941 | 1941 Red Book | 1941-00-00 | HARVEY H. BROWN | Chief Engineer |
| Folkert, Robert H.; 1942 Red Book; 1942 | 1942 Red Book | 1942-00-00 | HARVEY H. BROWN | Chief Engineer |
| Folkert, Robert H.; 1943 Red Book; 1943 | 1943 Red Book | 1943-00-00 | PATHFINDER | Chief Engineer |
| Folkert, Robert H.; 1944 Red Book; 1944 | 1944 Red Book | 1944-00-00 | SAMUEL MATHER | Chief Engineer |
| Folkert, Robert H.; 1945 Red Book; 1945 | 1945 Red Book | 1945-00-00 | SAMUEL MATHER | Chief Engineer |
| Folkert, Robert H.; 1946 Red Book; 1946 | 1946 Red Book | 1946-00-00 | E. G. GRACE | Chief Engineer |
| Folkert, Robert H.; 1947 Red Book; 1947 | 1947 Red Book | 1947-00-00 | E. G. GRACE | Chief Engineer |
| Folkert, Robert H.; 1949 Red Book; 1949 | 1949 Red Book | 1949-00-00 | E. G. GRACE | Chief Engineer |
| Folkert, Robert H.; 1950 Red Book; 1950 | 1950 Red Book | 1950-00-00 | E. G. GRACE | Chief Engineer |
| Folkert, Robert H.; 1953 Red Book; 1953 | 1953 Red Book | 1953-00-00 | ELTON HOYT 2ND | Chief Engineer |
| Folkert, Robert H.; 1954 Red Book; 1954 | 1954 Red Book | 1954-00-00 | ELTON HOYT 2ND | Chief Engineer |
| Folkert, Robert H.; 1955 Red Book; 1955 | 1955 Red Book | 1955-00-00 | ELTON HOYT 2ND | Chief Engineer |
| Folkert, Robert H.; 5/48 Great Lakes Review; 1948 | 5/48 Great Lakes Review | 1948-00-00 | E. G. GRACE | Chief Engineer |
| Folkert, Robert H.; Great Lakes News 11/39; 1939 | Great Lakes News 11/39 | 1939-00-00 | C. S. ROBINSON | Chief Engineer |
| Folkert, Robert H.; Interlake Log October 1952 | Interlake Log October 1952 | 1952-00-00 | ELTON HOYT 2ND | Chief Engineer |
| Folkert, Robert H.; Interlake Log, 1952 | Interlake Log, 1952 | 1952-00-00 | JAY C. MORSE | oiler |
| Folkert, Robert H.; Interlake Log, 1952 | Interlake Log, 1952 | 1952-00-00 | JAY C. MORSE | Second Assistant |
| Folkert, Robert H.; Interlake Log, 1952 | Interlake Log, 1952 | 1952-00-00 | CALUMET | First Assistant |
| Folkert, Robert H.; Interlake Log, 1952 | Interlake Log, 1952 | 1952-00-00 | | First Assistant |
| Folkert, Robert H.; Interlake Log, 1952 | Interlake Log, 1952 | 1952-00-00 | JUPITER | Chief Engineer |
| Folkert, Robert H.; Interlake Log, 1952 | Interlake Log, 1952 | 1952-00-00 | E. G. GRACE | Chief Engineer |