| Paper | Date | Page | Article Title | Type | ||
|---|---|---|---|---|---|---|
| 401 |
 |
Helper Journal | 1931-02-26 | 1 | page | |
| 402 |
 |
Helper Journal | 1931-02-26 | 2 | page | |
| 403 |
 |
Helper Journal | 1931-02-26 | 3 | page | |
| 404 |
 |
Helper Journal | 1931-02-26 | 4 | page | |
| 405 |
 |
Helper Journal | 1931-02-26 | 5 | page | |
| 406 |
 |
Helper Journal | 1931-02-26 | 6 | page | |
| 407 |
 |
Helper Journal | 1931-02-26 | 7 | page | |
| 408 |
 |
Helper Journal | 1931-02-26 | 8 | page | |
| 409 |
 |
Helper Journal | 1931-03-05 | 1 | page | |
| 410 |
 |
Helper Journal | 1931-03-05 | 2 | page | |
| 411 |
 |
Helper Journal | 1931-03-05 | 3 | page | |
| 412 |
 |
Helper Journal | 1931-03-05 | 4 | page | |
| 413 |
 |
Helper Journal | 1931-03-05 | 5 | page | |
| 414 |
 |
Helper Journal | 1931-03-05 | 6 | page | |
| 415 |
 |
Helper Journal | 1931-03-05 | 7 | page | |
| 416 |
 |
Helper Journal | 1931-03-05 | 8 | page | |
| 417 |
 |
Helper Journal | 1931-03-12 | 1 | page | |
| 418 |
 |
Helper Journal | 1931-03-12 | 2 | page | |
| 419 |
 |
Helper Journal | 1931-03-12 | 3 | page | |
| 420 |
 |
Helper Journal | 1931-03-12 | 4 | page | |
| 421 |
 |
Helper Journal | 1931-03-12 | 5 | page | |
| 422 |
 |
Helper Journal | 1931-03-12 | 6 | page | |
| 423 |
 |
Helper Journal | 1931-03-12 | 7 | page | |
| 424 |
 |
Helper Journal | 1931-03-12 | 8 | page | |
| 425 |
 |
Helper Journal | 1931-03-19 | 1 | page |