Here is a collection of a few Willys Manuals I have obtained and scanned.
scanned in Adobe pdf format
Universal Jeep Manual (56MB)
Willys - Overland Equipment Book
Jeep Operation Data (10MB)
Jeep Universal Parts List (CJ-3B, 5, 5A, 6, 6A and DJ 5 and 6) (99MB)
Utility Vehicle Jeep Manual (36MB)