Here are some neat websites I have come across recently:
http://www.recycledmoviecostumes.com/ ^ Thought you'd seen a dress from a movie in another movie? Find out!
http://enchantedserenityperiodfilms.blogspot.com/ ^ Costume drama reviews and much more.
http://www.janeausten.org/ ^ Self-explanatory
http://janeaustensworld.wordpress.com/ http://janitesonthejames.blogspot.com/ http://www.erasofelegance.com/index.html ^ This site is amazing! It's a store, but if you look at the site's tabs, there is also a plethora of informative articles. Besides the fact that the site is beautiful. =)
http://costumedramas.wordpress.com/ http://lightscamerahistory.com/ http://austenprose.wordpress.com/ http://www.charitysplace.com/ ^ Has a free bi-monthly costume magazine you can download! It has articles about movies and musicals, as well as fantastic photographs.
http://www.19thnovels.com/ ^ Full-length texts of 19th century novels!
http://tudorphile.proboards.com/index.cgi http://periodmovies.blogspot.com/ http://lovelaughterlollipops.blogspot.com/