| Paper | Date | Page | Article Title | Type | ||
|---|---|---|---|---|---|---|
| 326 |
 |
Helper Journal | 1971-08-19 | issue | ||
| 327 |
 |
Helper Journal | 1971-01-14 | issue | ||
| 328 |
 |
Helper Journal | 1971-04-29 | issue | ||
| 329 |
 |
Helper Journal | 1971-08-12 | issue | ||
| 330 |
 |
Helper Journal | 1971-01-07 | issue | ||
| 331 |
 |
Helper Journal | 1971-05-13 | issue | ||
| 332 |
 |
Helper Journal | 1971-07-29 | issue | ||
| 333 |
 |
Helper Journal | 1971-06-10 | issue | ||
| 334 |
 |
Helper Journal | 1971-04-15 | issue | ||
| 335 |
 |
Helper Journal | 1971-04-22 | issue | ||
| 336 |
 |
Helper Journal | 1971-02-25 | issue | ||
| 337 |
 |
Helper Journal | 1971-08-05 | issue | ||
| 338 |
 |
Helper Journal | 1971-02-18 | issue | ||
| 339 |
 |
Helper Journal | 1971-04-08 | issue | ||
| 340 |
 |
Helper Journal | 1971-07-22 | issue | ||
| 341 |
 |
Helper Journal | 1971-06-17 | issue | ||
| 342 |
 |
Helper Journal | 1971-03-18 | issue | ||
| 343 |
 |
Helper Journal | 1971-01-21 | issue | ||
| 344 |
 |
Helper Journal | 1971-07-01 | issue | ||
| 345 |
 |
Helper Journal | 1971-07-15 | issue | ||
| 346 |
 |
Helper Journal | 1971-02-11 | issue | ||
| 347 |
 |
Helper Journal | 1971-03-25 | issue | ||
| 348 |
 |
Helper Journal | 1971-05-06 | issue | ||
| 349 |
 |
Helper Journal | 1971-03-11 | issue | ||
| 350 |
 |
Helper Journal | 1971-01-28 | issue |