| Title | Paper | Date | Type | ||
|---|---|---|---|---|---|
| 51 |
 |
Vernal Express | 1977-10-13 | unclassified | |
| 52 |
 |
Vernal Express | 1977-10-20 | unclassified | |
| 53 |
 |
Vernal Express | 1977-10-27 | unclassified | |
| 54 |
 |
Vernal Express | 1977-11-03 | unclassified | |
| 55 |
 |
Vernal Express | 1977-11-10 | unclassified | |
| 56 |
 |
Vernal Express | 1977-11-17 | unclassified | |
| 57 |
 |
Vernal Express | 1977-11-24 | unclassified | |
| 58 |
 |
Vernal Express | 1977-12-01 | unclassified | |
| 59 |
 |
Vernal Express | 1977-12-08 | unclassified | |
| 60 |
 |
Vernal Express | 1977-12-15 | unclassified | |
| 61 |
 |
Vernal Express | 1977-12-22 | unclassified | |
| 62 |
 |
Vernal Express | 1977-12-22 | unclassified | |
| 63 |
 |
Vernal Express | 1977-12-29 | unclassified | |
| 64 |
 |
Vernal Express | 1978-01-05 | unclassified | |
| 65 |
 |
Vernal Express | 1978-01-05 | unclassified | |
| 66 |
 |
Vernal Express | 1978-01-19 | unclassified | |
| 67 |
 |
Vernal Express | 1978-03-02 | unclassified | |
| 68 |
 |
Vernal Express | 1978-05-18 | unclassified | |
| 69 |
 |
Vernal Express | 1978-06-08 | unclassified | |
| 70 |
 |
Vernal Express | 1978-06-15 | unclassified | |
| 71 |
 |
Vernal Express | 1978-09-14 | unclassified | |
| 72 |
 |
Vernal Express | 1978-09-28 | unclassified | |
| 73 |
 |
Vernal Express | 1978-11-16 | unclassified | |
| 74 |
 |
Vernal Express | 1979-02-22 | unclassified | |
| 75 |
 |
Vernal Express | 1979-03-08 | unclassified |