Letter from Henry Clay, Jr. to his family discussing his posting to his squadron and his address will be changing. He goes on to express his love for his mother and his desire to save as much money as possible while overseas.

This document contains orders to the First Lieutenants of the "Aviation Section, Signal Officers' Reserve Corps" that they are to report to active duty and the names of the men ordered to service are listed underneath the brief paragraph.

Letter from Clayton Briseel to Mr. and Mrs. Clay regarding Briseel's acknowledgement of Henry Clay, Jr.'s burial in the United States. At the end Briseel mentions that he has not been able to locate any of Henry's accounts.

Letter from Henry Clay, Jr. to his family back home during his stay in Scotland. In he first half of the letter Clay is thanking his mother for the box she sent him and some pictures as well; afterwards Clay goes into talking about being the first American Squadron to "fight Huns," and possibly being made a captain by the time they depart for France.

Letter from Henry Clay, Jr, to his family from Scotland while he takes a course on gunnery. Clay has nothing but good things to say about the picturesque landscape and nice hotel he is staying in. One of the boys in his detachment also received word that commissions are imminent.

Cablegram from Henry Clay, Jr. to his mother detailing his total number of flight hours.