Contributions to the history of the development of the human race. This book, "Contributions to the history of the development of the human race", by Lazarus Geiger, is a replication of a book originally published before 1880. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.