Wikipedia's very detailed overview of vampires throughout history: http://en.wikipedia.org/wiki/Vampire

Everything you could want to know about Bram Stoker's Dracula: http://en.wikipedia.org/wiki/Dracula

Interested in Vlad the Impaler, the historical figure that Stoker based Dracula on? http://en.wikipedia.org/wiki/Vlad_III_the_Impaler

Vampires in Movies: http://en.wikipedia.org/wiki/Vampire_film

Read Dracula by Bram Stoker (free ebook): http://www.gutenberg.org/etext/345

The Vampire Library: http://www.vampirelibrary.com

VampChix blog: http://vampchix.blogspot.com

Bitten by Books: http://bittenbybooks.com

Vampire Romance Books: http://www.vampireromancebooks.com

Love Vampires: http://www.lovevampires.com

The Vampire Librarian: http://vampirelibrarian.com

Vampire Books: http://vampire-books.com