The Economist 1862-08-23: Vol 20 Iss 991 ( ) Title The Economist 1862-08-23: Vol 20 Iss 991 Volume 20 Publisher The Economist Intelligence Unit N.A...
The Economist 1862-08-30: Vol 20 Iss 992 ( ) Title The Economist 1862-08-30: Vol 20 Iss 992 Volume 20 Publisher The Economist Intelligence Unit N.A...
The Economist 1862-08-16: Vol 20 Iss 990 ( ) Title The Economist 1862-08-16: Vol 20 Iss 990 Volume 20 Publisher The Economist Intelligence Unit N.A...
The Economist 1864-08-06: Vol 22 Iss 1093 ( ) Title The Economist 1864-08-06: Vol 22 Iss 1093 Volume 22 Publisher The Economist Intelligence Unit N...
The Economist 1867-08-31: Vol 25 Iss 1253 ( ) Title The Economist 1867-08-31: Vol 25 Iss 1253 Volume 25 Publisher The Economist Intelligence Unit N...
States//commons.wikimedia.org/wiki/File:Engineering_and_Mining_Journal_1919-10-11-_Vol_108_Iss_15_(IA_sim_engineering-and-mining-journal_1919-10-11_108_15).pdf...