Paper | Date | Page | Article Title | Type | ||
---|---|---|---|---|---|---|
1 | Helper Journal | 1933-11-10 | 1 | page | ||
2 | Helper Journal | 1953-07-16 | 2 | page | ||
3 | Helper Journal | 1953-08-06 | 5 | page | ||
4 | Helper Journal | 1953-09-17 | 4 | page | ||
5 | Helper Journal | 1957-04-11 | 7 | page | ||
6 | Helper Journal | 1967-01-26 | 3 | page |