| Paper | Date | Page | Article Title | Type | ||
|---|---|---|---|---|---|---|
| 1 |
 |
Helper Journal | 1931-01-29 | 1 | page | |
| 2 |
 |
Helper Journal | 1933-01-05 | 1 | page | |
| 3 |
 |
Helper Journal | 1933-01-19 | 4 | page | |
| 4 |
 |
Helper Journal | 1933-01-21 | 1 | page | |
| 5 |
 |
Helper Journal | 1933-01-21 | 2 | page | |
| 6 |
 |
Helper Journal | 1935-01-25 | 2 | page | |
| 7 |
 |
Helper Journal | 1939-01-05 | 1 | page |