14 books
Photographic Copies of Written Messages from the Spirit World, Vol. 1 (Classic Reprint)
The Design and Construction of Metallic Bridges (Classic Reprint)
Ancient and Modern Engineering and the Isthmian Canal (Classic Reprint)
The Graphic Method
The Day of Doom
A Course on the Stresses in Bridge
The Panama Canal
Photographic copies of written messages from the spirit world
The Graphic Method of Influence Lines for Bridge and Roof Computations - Primary Source Edition
A course on the stresses
Suspension bridges arch ribs and cantilevers
The Elasticity and Resistance of the Materials of Engineering
The Design and Construction of Metallic Bridges
The Graphic Method of Influence Lines for Bridge and Roof Computations