| Name | Size | Date | |
| BUTLER.TXT | 1683 | 4/30/1991 | |
| BUTLER.H15 | 10188 | 4/29/1991 | |
| BUTLER.H17 | 10321 | 4/29/1991 | |
| BUTLER.H16 | 7873 | 4/29/1991 | |
| BUTLER.LDM | 24360 | 4/29/1991 | |
| BUTLER.H14 | 8555 | 4/29/1991 | |
| BUTLER.H12 | 10596 | 4/29/1991 | |
| BUTLER.H9 | 11156 | 4/29/1991 | |
| BUTLER.H8 | 5779 | 4/29/1991 | |
| BUTLER.H7 | 8855 | 4/29/1991 | |
| BUTLER.HI | 322 | 4/29/1991 | |
| BUTLER.H6 | 7814 | 4/29/1991 | |
| BUTLER.H13 | 3933 | 4/29/1991 | |
| BUTLER.H5 | 4240 | 4/29/1991 | |
| BUTLER.H4 | 8377 | 4/29/1991 | |
| BUTLER.H3 | 10465 | 4/29/1991 | |
| BUTLER.H2 | 11239 | 4/29/1991 | |
| BUTLER.H11 | 6592 | 4/29/1991 | |
| BUTLER.H18 | 11053 | 4/29/1991 | |
| BUTLER.H1 | 7851 | 4/29/1991 | |
| BUTLER.H10 | 9397 | 4/29/1991 | |
| BUTLER.MIN | 4765 | 4/29/1991 | |
| BUTLER.PRC | 1091 | 4/29/1991 | |
| BUTLER.OMV | 17715 | 4/28/1991 | |
| BUTLER.OMT | 8691 | 3/21/1991 | |
| BUTLER.OM | 7097 | 3/21/1991 | |
| BUTLER.DMT | 13775 | 4/28/1991 | |
| BUTLER.DM | 6195 | 3/21/1991 |