Wells, H.G..
The outline of history : being a plain history of life and mankind /
written originally with the advice and editorial help of Ernest Barker, H.H. Johnston, E. Ray Lankester [et al.] ; illustrated by J.F. Horrabin ; the entire work, revised and rearranged by the author 
. - New York  : Published by the Macmillan Company for the Review of Reviews Company,  1921 
. - xxi, 1171 p. : ill., maps  22 cm.