Optimum Management

History of the People of the United States

History of the Expedition under the Command of Captains Lewis & Clarke to the Sources of the Missouri, Thence Across the Rocky Mountains and down the River Columbia to the Pacific Ocean

A History of the People of the United States

History of the People of the United States, from the Revolution to the Civil War; Volume 8

Bridge and Tunnel Centres

University of Pennsylvania Illustrated

History of the People of the United States, from the Revolution to the Civil War; Volume 2

History of the Expedition under the Command of Captains Lewis and Clark Vol. 1

Life and Times of Stephen Girard, Mariner and Merchant; Volume 1

History of the People of the United States, from the Revolution to the Civil War; Volume 6