Letters from August 1917: Correspondence from Lucile to Roscoe discussing life at home.
Letters from May 1918: Correspondence from Roscoe to Lucile concerning life at Camp Sherman, including information about vaccinations and quarantine.
Letters from June 1918: Correspondence from Roscoe to Lucile, further detailing life and training at Camp Sherman. Lucile writes to Roscoe about gossip from home and how she is carrying on with her pregnancy. She queries as to whether he can be reclassified and have his service deferred.
Letters from July 1918: Letter on 1 July from Roscoe to Lucile begins the discussion of his troubles becauseof a deserter with the same name as him. Letters from the end of the month discuss a visit from his parents and younger sister. Beginning on 29 July, the letters from Lucile are written by her mother because Lucile is too ill to write.
Letters from August 1918: Roscoe's letter from 30 August is the last he wrote from US soil before being sent to France. Beginning 4 August, Lucile writes her own letters again as her health improves.
Letters from September 1918: Lucile's letters on 8 and 15 September are the first to mention and describe their newborn daughter, Violet. Roscoe's letter on  September is his first letter written from overseas.
Letters from October 1918: The letter dated 5 October to Roscoe from his sister, Blanche, is the first to mention the troubles and deaths caused by Spanish influenza in the camps; later letters discuss it further. Lucile's letter of 6 October is the first Roscoe received abroad and is the first he learns of his new daughter. The letter from Roscoe on 22 October is the first mention of the trenches, though there was no fighting "for all the fighting now is done in the open." The 24 October letter includes the Christmas Package Coupon for his family to send him a present.
Letters from November 1918: Letters from Lucile and Blanche, on 13 and 14 November respectively, describe the celebration in Barnesville at the announcement of the end of the war. Includes a 14 November letter from Amelie Curtet, an unidentified French woman, to Roscoe and written in French.
Letters from December 1918: Correspondence is from Roscoe to Lucile discussing the troops' movements between villages and their Christmas celebrations. He observes on Christmas Day that the town doesn't seem to be celebrating Christmas.
Letters from January - February 1919: All correspondence is from Roscoe to Lucile. On 17 February, he notes that the "Division was received by and paraded before Gen. Pershing and the Prince of Wales today." The letter on 23 February mentions that he received a photo of Violet, which is the first he has ever seen of her.
Letters from March - May 1919: Roscoe's letter of 29 April is the first he wrote once back on US soil, and the last letter from him in the collection. He states they left St. Nazaire, France on 17 April sailing on Aeolus.
Ephemera of Roscoe and Lucile Jackson: Includes the post card reporting Roscoe's safe arrival overseas, a notice from the Treasury Department Bureau of War Risk Insurance, and Violet's school report cards from 4th through 8th grade.