| Paper | Date | Page | Article Title | Type | ||
|---|---|---|---|---|---|---|
| 1 |
 |
Helper Journal | 1931-04-23 | 1 | page | |
| 2 |
 |
Helper Journal | 1943-04-29 | 7 | page | |
| 3 |
 |
Helper Journal | 1945-04-05 | 5 | page | |
| 4 |
 |
Helper Journal | 1948-04-22 | 5 | page | |
| 5 |
 |
Helper Journal | 1955-04-14 | 2 | page | |
| 6 |
 |
Helper Journal | 1955-04-14 | 4 | page | |
| 7 |
 |
Helper Journal | 1958-04-17 | 1 | page | |
| 8 |
 |
Helper Journal | 1959-04-30 | 7 | page |