Postcard of soldiers standing at attention behind neat cots outside of a long line of tents, with the caption "Inspection." A handwritten note on the back of the postcard, which is addressed to Mr. A.F. Frederick, says "Dear Father: This is what we get here and plenty of it. They are very strict with us. Take good care of my wife dad and I'll do my best here. Goodbye and good luck. Your son."

Patent for a method that dehydrates sewage for easier removal.

Mass letter from E. W. Reynolds of the Book Supply Company to school principals, in this case to C. C. Cox, advertising "The Re-Creation of Brian Kent" by Harold Bell Wright. The envelope is included.

Photograph of men standing in front of an airplane. Text on the reverse reads: "From left to right - Harry Rice, Universal Exploitation Manager, Lieutenant Ralph Diggins, pilot, Locklear himself, Fred Rochester, Publicity Manager Morris & Company, George W. Brow, General Sales Agent Curtiss Aeroplane Manufacturing Co., Jack Curran, former British Aviation Officer -- taken on the field just before plane left for Chicago's loop."

Postcard with an aerial photograph of Camp MacArthur showing neat rows of buildings and tents. A handwritten note on the back of the postcard is addressed to "Miss and Master Mundt" in Chicago, Illinois and says, "Dear Kids, Great life down here but it sure is hot and dry. Got here last Thur, May 9, '18. Left Jefferson Barracks last Tues night at 10 o'clock. Your uncle, John.