- Raoul H. France and the Doctrine of Life
This book is available through the generosity of Hanna Roth.
- Mother Earth – Vol. 5 No. 4 – October 1951
- Mother Earth – Vol. 5 No. 3 – Summer 1951
- Mother Earth – Vol. 5 No. 2 – Spring 1951
- Mother Earth – Vol. 5 No. 1 – Winter 1950-51
- Mother Earth – Vol. 4 No. 4 – Autumn 1950
- Mother Earth – Vol. 4 No. 3 – Summer 1950
- Mother Earth – Vol. 4 No. 2 – Spring 1950
- Mother Earth – Vol. 4 No. 1 – Winter 1949-50
- Mother Earth – Vol. 3 No. 4 – Autumn 1949
- Mother Earth – Vol. 3 No. 3 – Summer 1949
- Mother Earth – Vol. 3 No. 2 – Spring 1949
- Mother Earth – Vol. 3 No. 1 – Winter 1948-49
- Mother Earth – Vol. 2 No. 4 – Autumn 1948
- Mother Earth – Vol. 2 No. 3 – Summer 1948
- Mother Earth – Vol. 2 No. 2 – Spring 1948
- Mother Earth – Vol. 2 No. 1 – Winter 1947-48
- Mother Earth – Autumn 1947
- Mother Earth – Harvest 1947
- Mother Earth – Spring 1947
