- Christian Mysticism
- Christianity as Mystical Fact, and the Mysteries of Antiquity
- Mystic Christianity; Or, The Inner Teachings of the Master
- Nature Mysticism
- Practical Mysticism: A Little Book for Normal People
- Spiritual Reformers in the 16th & 17th Centuries
- Spiritual Torrents
- The Forgotten Threshold: A Journal of Arthur Middleton