 In 1910 his brother William died; Henry had just joined William from an unsuccessful search for relief in Europe on what then turned out to be his (Henry's) last visit to the United States (from summer 1910 to July 1911) and was near him according to a letter he wrote when he died.In 1913 he wrote his autobiographies, "A Small Boy and Others", and "Notes of a Son and Brother".After the outbreak of the First World War in 1914, he did war work.