by Geoffrey Martin ; assisted by Wm. Barbour ... [et al.]

by Henry Osborn Taylor

by J. Emerson Reynolds

Walter M. Gardner

written by many hands and edited by James Mark Baldwin ; with the co-operation and assistance of an international board of consulting editors

edited, on behalf of the committee, by M.E. Sadler

by W.E. Paterson

by Olaf Stapledon

by Thomas C. Chamberlin and Rollin D. Salisbury

by G.H. Palmer ... [et al.] ; edited by George P. Adams and Wm. Pepperell Montague

by Charles S. Myers

edited by William Peterfield Trent ... [et al.]

by Oliver Elton

by Dukinfield Henry Scott

edited by Sir William Orpen

by George E. Davis

by Clement V. Durell

by C.A. Fyffe

by Norman Maclaren Trenholme

by D.W. Taylor

by Emile Bourgeois

edited by A.F. Kirkpatrick

compiled by the Staff of Streatham County Secondary School for Girls

by the Sir William Rowan Hamilton