In Quest of El Dorado

Europe—Whither Bound? / Being Letters of Travel from the Capitals of Europe in the Year 1921

The Soul of John Brown

A Tramp's Sketches

The Challenge of the Dead A vision of the war and the life of the common soldier in France, seen two years afterwards between August and November, 1920

Europe—Whither Bound

With Poor Immigrants in America

A Tramp's Sketches

The Way of Martha and the Way of Mary

Through Russian Central Asia

Russia in 1916