| Title | Volume (Number) Page |
| The Two Dies of Colonial Type Ceres | 11 (1):5 |
| Privately Rouletted Imperforate Stamps | 12 (1):8 |
| Postal Tax Stamps for Parcel Post | 14 (3):66 |
| "Errors" on the Cam›es Red Cross Issues | 15 (2):28 |
| *The Colony Ceres Forgeries | 11 (2):26 |