The Billie Holiday Discography. Very complete.... Good lay-out, well worth checking out! It absolutely beats this site ;-)
The Billie Holiday Circle is on Facebook.
There is also a blog with the name Billie Holiday Circle.
The original Billie Holiday Circle was started and maintained by Jack Millar who unfortunately passed away. We will miss Jack and the unbelievable amount of knowledge he had.
Billie Holiday for Ever This site is dedicated to Billie Holiday and especially to the story, life and music of Lady Day when she travelled to Europe in 1954 and 1958.
The huge All-Music Guide contains a lot on Billie, just have a look...
Herman Leonard - Images of Jazz
www.billieholiday78rpm.nl - A site of dutch Billie Holiday collector Pim Ziegelaar.
Alberto Varela maintains a database in Excel format, it's a lot of work he's sharing. Also a spanish and french version of his page is available! (Ask him for the MP3 version of a song, he has them all!)
The Leonard Feather Scrapbooks contains a nice interview.
The Official site of Billie Holiday, if you have enough money to spend go there.