| Name | Size | Date | |
| ---GB405.B | 2 | 5/3/1991 | |
| CONFIG.SYS | 22 | 8/12/1990 | |
| DOC_PREP.EXE | 6809 | 3/27/1991 | |
| GBDOC.EXE | 32904 | 3/27/1983 | |
| GRADE1.EXE | 159441 | 7/23/1991 | |
| GRADE2.EXE | 126404 | 8/12/1991 | |
| INSTALL.EXE | 13208 | 4/20/1991 | |
| README.DOC | 1368 | 7/2/1991 | |
| FREEDISK.DOC | 4014 | 1/6/1994 |