Howards End Resources
E.M. Forster's (unofficial) web presence, devoted to the author and his works.
Another very dedicated fansite.
A questionably German website (in English) with great commentary and bibliography resources.
Sadly, this isn't some mad scientist's attempt to clone E.M. Forster and his modernist contemporaries. Instead, it's a useful wiki about his life and work.
Movie or TV Productions
Desperately need to look up that quote? Here's the full text version on Project Gutenberg.
Here's a collection of links to articles on Forster and his works.
Here's the rather swoony poster for the film.
Judging from this book, E.M. Forster was a pretty serious guy. This picture proves our guess right.