A wealth of background information on the play, collected by a British teacher.
A guide to the scientific ideas in the play, from the math department of Boston University.
Another guide, this one from Skidmore College.
Includes images of a program from the original production and Stoppard's drafts of the play.
Info on Byron and Caroline Lamb, including links to his poetic greatest hits.
Short version: he liked it.
From five years before Arcadia's opening night.
Stoppard admits to Charlie Rose that he doesn't know what he's talking about. (Skip to 19:30.)
The painting that encapsulates the Arcadia myth.
Different painting, same theme.
And one more painting for good measure.