| Author | : William Marsh Myers |
| Publisher | : |
| Total Pages | : 6 |
| Release | : 1923 |
| Genre | : Mineral dusts |
| ISBN | : |
A History of Child Labor Legislation in Pennsylvania
| Author | : Pennsylvania. Bureau of Women and Children |
| Publisher | : |
| Total Pages | : 1086 |
| Release | : 1928 |
| Genre | : Child labor |
| ISBN | : |
Explosives Used in December, 1923
| Author | : William Waugh Adams |
| Publisher | : |
| Total Pages | : 574 |
| Release | : 1923 |
| Genre | : Air flow |
| ISBN | : |
List of Publications, Bureau of Mines
| Author | : United States. Bureau of Mines |
| Publisher | : |
| Total Pages | : 846 |
| Release | : 1960 |
| Genre | : Government publications |
| ISBN | : |
