The Project Gutenberg eBook, The Life and Adventures of Robinson Crusoe, by Daniel Defoe
http://www.gutenberg.org/files/521/521-h/521-h.htm
This is the e-text and can be a useful way to read parts of the text in class or on mobile devices.
The Defoe Society
http://www.defoesociety.org/defoe.html
Information about Defoe and a resource about teaching Robinson Crusoe.
Trans-Atlantic Slave Trade Database
http://www.slavevoyages.org/tast/index.faces
A resource for teaching and learning about the Trans-Atlantic slave trade, which is an important part of the historical context of the novel.