 His work at the LSE on what became the first volume of his History of British Patriotism (1913) led to his election in 1907 to a fellowship at King's College, Cambridge, which he retained until 1913.In the same year he was awarded the degree of DScEcon by the University of London.In 1915 he married Barbara Elizabeth, daughter of Lieutenant-Colonel H. L. Errington and the Hon.