| Paper | Date | Page | Article Title | Type | ||
|---|---|---|---|---|---|---|
| 1 |
 |
Helper Journal | 1950-02-23 | 5 | page | |
| 2 |
 |
Helper Journal | 1974-02-21 | 6 | page | |
| 3 |
 |
Helper Journal | 1931-02-05 | 7 | page | |
| 4 |
 |
Helper Journal | 1949-02-24 | 8 | page | |
| 5 |
 |
Helper Journal | 1932-02-18 | 6 | page | |
| 6 |
 |
Helper Journal | 1946-02-21 | 8 | page | |
| 7 |
 |
Helper Journal | 1945-02-01 | 2 | page | |
| 8 |
 |
Helper Journal | 1947-02-06 | 7 | page | |
| 9 |
 |
Helper Journal | 1968-02-29 | 1 | page | |
| 10 |
 |
Helper Journal | 1950-02-16 | 2 | page | |
| 11 |
 |
Helper Journal | 1949-02-10 | 1 | page | |
| 12 |
 |
Helper Journal | 1950-02-23 | 3 | page | |
| 13 |
 |
Helper Journal | 1927-02-24 | 2 | page | |
| 14 |
 |
Helper Journal | 1953-02-26 | 1 | page |