- ???DX17 - John Reynolds Collection
- ??Mining and Business
- ??2 - Australian Magnesium Company
- ??3 - Federal Grants to States and Taxation
- ??4 - Wolfram & Scheelite
- ??5 - Limestone
- ??6 - Silicon carbide, aluminium oxide etc
- ??7 - History of wheat stabilisation in Australia
- ??8 - Tin mining etc
- ??9 - Tasmanian Tin Producers Committee
- ??10 - Tin smelting, silica, etc.
- 2 more...