3 links
History of Nations - Panama
historyofnations.net
Provides an overview of history from 1501 to the modern time.
Panama's Policy Toward the U.S.: Living With Big Brother
historicaltextarchive.com
Overview of canal treaties and sovreignty issues from 1903 through the 1989 US invasion.
US-Panamanian Relations Since 1903
historicaltextarchive.com
Overview of treaties, political issues, and policies in the Canal Zone, through the 1989 US invasion.