Herbert Spencer Know the Truth: A Critique on the Hamiltonian Theory of Limitation / Including Some Strictures Upon the Theories of Rev. Henry L. Mansel and Mr. Herbert Spencer Life of Father Ignatius of St. Paul, Passionist (The Hon. & Rev. George Spencer) Musical Studies On Mr. Spencer’s Data of Ethics Pioneers of Evolution from Thales to Huxley / With an Intermediate Chapter on the Causes of Arrest of the Movement Socialism and Modern Science (Darwin, Spencer, Marx) Spencer’s Philosophy of Science / The Herbert Spencer Lecture Delivered at the Museum 7 November, 1913