Source: http://www.davidrumsey.com.Image from the David Rumsey Map Collection via Endless Forms Most Beautiful on Flickr. License: All Rights Reserved.

Relative Power Of Contemporary States, Nations And Empires.

Copyright by John B. Sparks. Published by Histomap, Inc. Chicago, Ill.

Printed and distributed in the U.S.A. by Rand McNally & Co., 1931.

From the David Rumsey Map Collection.

Source: http://www.davidrumsey.com.Image from the David Rumsey Map Collection via Endless Forms Most Beautiful on Flickr. License: All Rights Reserved.

Source: http://www.davidrumsey.com.Image from the David Rumsey Map Collection via Endless Forms Most Beautiful on Flickr. License: All Rights Reserved.