| Paper | Date | Page | Article Title | Type | ||
|---|---|---|---|---|---|---|
| 501 |
 |
Helper Journal | 1939-11-23 | issue | ||
| 502 |
 |
Helper Journal | 1939-11-30 | issue | ||
| 503 |
 |
Helper Journal | 1939-12-07 | issue | ||
| 504 |
 |
Helper Journal | 1939-12-14 | issue | ||
| 505 |
 |
Helper Journal | 1939-12-21 | issue | ||
| 506 |
 |
Helper Journal | 1939-12-28 | issue | ||
| 507 |
 |
Helper Journal | 1940-01-04 | issue | ||
| 508 |
 |
Helper Journal | 1940-01-11 | issue | ||
| 509 |
 |
Helper Journal | 1940-01-18 | issue | ||
| 510 |
 |
Helper Journal | 1940-01-25 | issue | ||
| 511 |
 |
Helper Journal | 1940-02-01 | issue | ||
| 512 |
 |
Helper Journal | 1940-02-08 | issue | ||
| 513 |
 |
Helper Journal | 1940-02-15 | issue | ||
| 514 |
 |
Helper Journal | 1940-02-22 | issue | ||
| 515 |
 |
Helper Journal | 1940-02-29 | issue | ||
| 516 |
 |
Helper Journal | 1940-03-07 | issue | ||
| 517 |
 |
Helper Journal | 1940-03-14 | issue | ||
| 518 |
 |
Helper Journal | 1940-03-21 | issue | ||
| 519 |
 |
Helper Journal | 1940-03-28 | issue | ||
| 520 |
 |
Helper Journal | 1940-04-04 | issue | ||
| 521 |
 |
Helper Journal | 1940-04-11 | issue | ||
| 522 |
 |
Helper Journal | 1940-04-18 | issue | ||
| 523 |
 |
Helper Journal | 1940-04-25 | issue | ||
| 524 |
 |
Helper Journal | 1940-05-02 | issue | ||
| 525 |
 |
Helper Journal | 1940-05-09 | issue |