| Title | Volume (Number) Page |
| Nyassa Centavos Invert Overprint Forgery | 21 (81):74 |
| Neglected Nyassa | 83:14 |
| A Belated Study of the 1911 Issue of Nyassa | 85:85 |
| Those Intriguing Inverted Centers of Nyassa | 87:11 |
| Exasperating Perforations on the Nyassa 1901-03 Issue | 88:46 |
| The Questionable 1910 Surcharges of Nyassa | 90:135 |