| Paper | Date | Page | Article Title | Type | ||
|---|---|---|---|---|---|---|
| 51 |
 |
Helper Journal | 1931-04-09 | 5 | page | |
| 52 |
 |
Helper Journal | 1931-04-09 | 6 | page | |
| 53 |
 |
Helper Journal | 1931-04-09 | 7 | page | |
| 54 |
 |
Helper Journal | 1931-04-09 | 8 | page | |
| 55 |
 |
Helper Journal | 1931-04-16 | issue | ||
| 56 |
|
Helper Journal | 1931-04-16 | 1 | page | |
| 57 |
 |
Helper Journal | 1931-04-16 | 2 | page | |
| 58 |
 |
Helper Journal | 1931-04-16 | 3 | page | |
| 59 |
 |
Helper Journal | 1931-04-16 | 4 | page | |
| 60 |
 |
Helper Journal | 1931-04-16 | 5 | page | |
| 61 |
 |
Helper Journal | 1931-04-16 | 6 | page | |
| 62 |
 |
Helper Journal | 1931-04-16 | 7 | page | |
| 63 |
 |
Helper Journal | 1931-04-16 | 8 | page | |
| 64 |
 |
Helper Journal | 1931-04-23 | issue | ||
| 65 |
|
Helper Journal | 1931-04-23 | 1 | page | |
| 66 |
 |
Helper Journal | 1931-04-23 | 2 | page | |
| 67 |
 |
Helper Journal | 1931-04-23 | 3 | page | |
| 68 |
 |
Helper Journal | 1931-04-23 | 4 | page | |
| 69 |
 |
Helper Journal | 1931-04-23 | 5 | page | |
| 70 |
 |
Helper Journal | 1931-04-23 | 6 | page | |
| 71 |
 |
Helper Journal | 1931-04-23 | 7 | page | |
| 72 |
 |
Helper Journal | 1931-04-23 | 8 | page | |
| 73 |
 |
Helper Journal | 1931-04-30 | issue | ||
| 74 |
|
Helper Journal | 1931-04-30 | 1 | page | |
| 75 |
 |
Helper Journal | 1931-04-30 | 2 | page |