The following pdf file contains all of the resized Project Blue Book documents below which are now housed on the NICAP site for security reasons.
The original over-sized docs from the Blue Book site are listed below:
July 12, 1952, Northern Illinois
8:05 p.m. Report of unusual flying objects (Reference to July 12, 1952, Arlington, Illinois [BBU]) Air Intelligence Information Report from 755th AC&W Squadron, Williams Bay, Wisconsin. Mr. J. M. Stark, Chicago, reported that at 2005 CST he saw a greenish object traveling in horizontal flight. Object came to stand-still, then moved away at a very hight rate of speed. Mr. L Matheis, Chicago, sighted object going east then turned westward, yellowish in color. Mr. L. Schrenk, Chicago, sighted object going north, weaving at low altitude, reddish in color. Mr. A. Cressy, Chicago, saw an object going north, turned west, not a jet type aircraft.Received call from 31st Division throught ADCC, radars picked up strange objects heading west and north at 3000 mph and above.