Vol. 1914 (1914)
Haeckel's Birthday.Paul Carus
The Boundaries of Natural Science (With portraits).Ernst Haeckel
Fifty Years in the Service of the Evolution Theory (With illustrations).W. Breitenbach
Religion in a Monistic Interpretation.Paul Carus
Wilhelm Ostwald, President of the German Monistic League (With portrait.)Ernst Haeckel
Conservatism and Morality.T. T. Blaise
Articles by Haeckel and About Him.
Currents of Thought in the Orient.B. K. Roy
Book Reviews and Notes.
Time (Poem).Paul Carus