Four Centuries of the Panama Canal by Willis Fletcher Johnson,1857-1931.
Beginning with Colombus's voyage and ending with Yankee hegemony. Johnson writes, "The Story is nearly four hundred centuries long and implicates, literally, mankind from China to Peru." You can read this online through Hathitrust.org, an openly accessible database with full text (read online) for those books published primarily before 1923.
For a more pictorial works, try Panama Canal Pictures : Showing the Latest Photographs of the Progress Construction on the Isthmian Canal : together with a brief introduction, some interesting figures, and a map of the Canal Zone.
Scroll through pages to read book below or go to Hathitrust by clicking on the either of the links above.
Selected and Annotated By:
The Harpy Eagle is the National Bird of Panama, and it is also the largest, most powerful eagle in the Americas. They are found in lowland rainforests of Tropical America.