The Victorian Age
 »

Studies Of English Mystics; St. Margaret's Lectures, 1905
 »

The Philosophy of Plotinus
The Gifford Lectures at St. Andrews, 1917 - 1918 »

Authority And The Inner Light
 »

Christian Mysticism
Considered in Eight Lectures Delivered Before the University of Oxford »

Christian Mysticism
List of Christian mystics, Christian meditation, Christian mysticism in ancient Africa, Esoteric Christianity,Mysticism, Christian mythology, Prayer in Chris... »

Philosophy of Plotinus (Volume 1); The Gifford Lectures at S
 »

Personal Idealism And Mysticism
The Paddock Lectures for 1906, Delivered at the General Seminary, New York »

Christian Mysticism (Dodo Press)
 »

Outspoken Essays (Dodo Press)
 »