by University of Manchester. Public Health Laboratory

1906

by University of Manchester

1906

by University of Cambridge

1908

by Ohio State University. Graduate School

1930

by Cambridge University Library

1906

by Ohio State University

1912

by University of Glasgow

1911

by University of Glasgow

1911

by University of Aberdeen

1927

by Cambridge University Library

1905

by Cambridge University Library

1913

by University College, London. Francis Galton Laboratory for Eugenics

1909