The substance of Gothic; six lectures on the development of architecture from Charlemagne to Henry VIII, given at the Lowell Institute, Boston, in November and December, 1916,

The quarry of antiquity.--The age of Charlemagne.--The great awakening.--The epoch of transition.--The mediæval synthesis.--The decadence and the new paganism.

The world crisis and its meaning /

I. The world crisis and its meaning -- II. Militarism and its eulogists -- III. American ideals contrasted with German and English -- IV. The illusion and the ideal of international peace -- V. Civilization and progress in the light of the present war -- VI. The moral awakening of the wealthy --VII. An ethical program of social reform -- VIII. Ethical development extending throughout life.