Videos, Books, and Lecture notes where you can learn flourishes:
If The video has a star by it it means that the video, book, or set of notes is only focused on flourishes. The ones without are a star just have some flourishes in it.
Videos:

Pasteboard Animations by Buck bros.*
Can be found at http://www.pasteboardanimations.com
Cap Cuts by Cap Casino
*
Can be found at http://www.capcasino.com
Art Of Card Manipulation by Jeff McBride
  Can be found at most online stores
Showoff 1 & 2 by Brian Tudor*
   Vol. 2 can be found at most online stores and vol. 1 on ebay
Practical Methods by Dante King
   Can be found at
http://www.danteking.com
Fanning Tutorial by Dante King*
   Can be found at
http://www.danteking.com
Allan Ackerman's Advanced Card Control Series vol. 4*
   Can be found at most online stores
Bard Burt's Video  #2 Card Flourishes*
   Can be found at most online stores
Encyclopedia Of Card Sleights vol. 8 by Daryl
   Can be found at most online stores
The Prize-Winning Magic Of Jean Pier Vallarino
   Can be found at most online stores
Books:

Encyclopedia Of Playing Card Flourishes by Jerry Cestkowski
*
 
Can be found at http://www.flourishman.com
Card College vol. 4 and some in 1-3 by Robert Giobbi
 
Can be found at most online stores
Now You See It, Now You Don't
   Can be found at most online stores
Card Magic Of Le Paul
   Can be found at most online stores
Basic Card Technique
   Can be found at most online stores
Counts, Cuts, Moves, and Subtlety
   Can be found at most online stores
Lecture Notes:

Nursery rhymes 1 & 2 by Buck bros.*
Can be found at http://www.pasteboardanimations.com
"The Things We Do" by Lonnie Dilan
*
 
Can be found at http://www.pasteboardpimps.com
Hosted by www.Geocities.ws

1