A treatise on different types of clairvoyance and how to develop it. The contents include:
1899

1.What Clairvoyance Is
2. Simple Clairvoyance: Full
3.Simple Clairvoyance: Partial
4.Clairvoyance in Space: Intentional
5.Clairvoyance in Space: Semi-Intentional
6.Clairvoyance in Space: Unintentional
7.Clairvoyance in Time: The Past
8.Clairvoyance in Time: The Future
9.Methods of Development