Excerpt from The Standard Library of Natural History, Vol. 4: Living Races of Mankind, Oceania Asia AfricaIt is not possible to enumerate here the many valuable papers in geographical and other journals to which the writers are largely indebted, nor to the many important books of travel by which our knowledge has been so vastly increased of late years. The works of Lieutenant Peary, Dr. Sven Hedin, Dr. Gregory, Sir Harry Johnston, Stanley, Nansen, Younghusband, and others, have been of the greatest service to ethnologists, and the writers have freely drawn upon the latest and fullest sources of information.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.