1.) Books
X-Planes Book-4
The Saga of Bell X-2: First of the Spaceships
Henry Matthews
Henry Matthews Publications
If you are an X-2 fan, you MUST buy this book - it is the best, and only book on the X-2. It is only available through the author. Mr. Matthews also has other excellent books on X Planes.
The X-Planes
Jay Miller
Orion Books
Out of print book on the X-planes through the X-29. Includes a think chapter on the X-2.
The Fastest Man Alive
Brig. Gen. Frank K. Everest, Jr. with John Guenther (Lt. Col. for earlier editions)
Printed: 1958, 1990
Mandatory book if you are an X-2 fan - This is Pete Everest's autobiography, up to 1958. Good reading. Can be found in a newer, paperback form, put out by Bantam Books.
First of the Spacemen, Iven C. Kincheloe, Jr.
James. J. Haggerty, Jr.
1960
Old biography on Iven Kincheloe - haven't seen it around much.
2.) Artwork
"Fastest Man Alive"
By Mike Machat
Usually found signed by Mike Machat and Pete Everest
Search Dogpile for this print on the net
3.) Magazine Articles