| RefNo | Title | Date |
| PH/B/1074 | Philosophy in a New Key \ A Study in the Symbolism of Reason, Rite, and Art |
| PH/B/1076 | Problems of Art \ Ten Philosophical Lectures |
| PH/B/1075 | Philosophy in a New Key \ A Study in the Symbolism of Reason, Rite, and Art |
| PH/B/1073 | Philosophical Sketches |
| PH/B/1077 | Reflections on Art \ A source book of writings by artists, critics, and philosophers |
| PH/B/1072 | Feeling and Form \ A Theory of Art |