The essay on "Mysticism and Logic" appeared in the Hibbert Journal for July, 1914. "The Place of Science in a Liberal Education" appeared in two numbers of The New Statesman, May 24 and 31, 1913. "The Free Man's Worship" and "The Study of Mathematics" were included in a former collection (now out of print), Philosophical Essays, also published by Messrs. Longmans, Green & Co. Both were written in 1902;