Ralph Emmett Avery

• America's Triumph at Panama
• America's triumph at Panama
• America's Triumph at Panama: Panorama and Story of the Construction and Operation of the World's Giant Waterway From Ocean to Ocean (Classic Reprint)
• The greatest engineering feat in the world at Panama
• America's Triumph at Panama
• Fort Wayne, with might and main
• Greatest Engineering Feat in the World at Panama. Authentic and Complete Story of the Building and Operation of the Great Waterway--The Eighth Wonder of the World