This subseries consists primarily of the correspondence of Moses Hill and Eliza Ann (Arnold) Hill, 1844-1862, but also includes letters to Eliza from other family members and friends. Among the correspondents are Eliza's uncle Adin Ballou, sister Rosina (Arnold) Bartlett, brother Nathan Arnold, Jr. (1817-1881), niece Myra (probably Nathan's stepdaughter Mary Elizabeth Bright), daughter Lucina Maria (Hill) Howe, son George Russell Hill, mother-in-law Persis (Phipps) Hill, Maria A. Harding, and Casper Lavater Russell.

Detailed and frequent letters from Moses to Eliza while he was serving in the Civil War, 1861-1862, include letters from Camp Benton, Md. about life at camp; provisions; correspondence and items sent from home; men in the company, including Egbert Oswald Hixon (1824-1864) of Medway, Mass.; deaths and illnesses at camp; drinking and gambling by the soldiers; drills and troop movements; engagements with the enemy; news of battles; the weather; Moses's health and homesickness; the activities of his children Lucina ("Sis") and George ("Bub") and other family members; Gen. Frederick W. Lander; Capt. John Saunders; African Americans; Confederate prisoners; and the reconnaissance hot-air balloon Intrepid. Moses participated in and describes the battles at Ball's Bluff and Edward's Ferry and contrasts his experiences with newspaper reports. Also included are a few letters from Moses to his children, often with sketches, and to his parents Moses and Persis (Phipps) Hill. One letter to Lucina, 24 Dec. 1861, details the lives of enslaved people in Maryland. At the beginning of 1862, Moses's regiment left Camp Benton, and his letters of that year are addressed from Patterson's Creek, Paw Paw Tunnel, Winchester, Yorktown, New Kent, Richmond, Harrison's Landing, and Newport News, Va. Subjects include a skirmish at Bloomery Gap (W.Va.) in mid-February; the death of Gen. Lander; Gen. James Shields; Virginians' fear of the Northern troops; Moses's hopes for peace; his respect for Gen. George B. McClellan; and the Siege of Yorktown, Battle of Fair Oaks, and Seven Days Battles. Included is correspondence between Moses, Eliza, and Lucina while Moses was at Harewood Hospital in Washington, D.C., Sep.-Oct. 1862.

After Moses's death in 1862, the correspondence consists of letters about his pension and Eliza Hill's work with the Soldiers' Aid Society; letters to Eliza from her daughter Lucina, son George, sister Rosina, brother Nathan, niece Myra, uncle Adin Ballou, and others, primarily on family matters; and later letters to Lucina from her husband Frank Irving Howe, daughter Eva Frances Howe, and son Frank Irving Howe, Jr. Letters from Frank, Jr. describe his service in South Carolina in the Fifth Regiment, Mass. Infantry, 1898-1899.

This subseries also contains postcards sent to Caroline Frances Howe and her mother Lucina Maria (Hill) Howe by various family members and friends, as well as miscellaneous undated calling cards and envelopes.

This subseries contains the appointment of George Harding as guardian of Eliza Ann Arnold, 7 Dec. 1839; papers related to the pension of Moses Hill, 1862-1911; Frank Irving Howe, Jr.'s discharge from the army, 31 Mar. 1899; a letter confirming Charles Davis Bent's appointment as special justice of the District Court of Leominster, Mass., 27 Dec. 1956; and other papers.

This subseries consists of genealogies of the Amazeen, Bent, Davis, Death/Dearth, Howe, and Richardson families; notes on Priscilla George Howe; papers related to the annual Howe family reunion beginning in 1977, including family trees, a guest book, invitations, correspondence, etc.; a description of Frank Irving Howe, Jr.'s mental illness and other writings about him by family members; obituaries and printed matter; a notebook of handwritten poems, 1977-1979, and other writings by Evan Carleton Howe; and genealogical notes by Roberta Senechal, as well as her correspondence with Barbara Worthley and others on family history, 1980-2012.

Included is a copy of The Christian Banner for the Soldier and the Sailor, 15 Nov. 1861, owned by Moses Hill; programs for plays and commencements; Frank Irving Howe, Jr.'s certificate of membership in the Grand Lodge of Massachusetts, 19 Feb. 1902; a pamphlet entitled A Pocket Guide to France, ca. 1944, published by the War and Navy Departments and owned by Merchant Marine Robert Marshall Howe; a booklet of World Green Stamps, ca. 1947; and a few other printed items.

The subseries also contains a hardbound copy of "Our Aim Was Man": Andrew's Sharpshooters in the American Civil War, edited by Roberta Senechal de la Roche (Amherst and Boston: University of Massachusetts Press, 2016).

This subseries consists primarily of letters to Marion (Howe) Senechal on family matters. Correspondents include her mother Clara (Amazeen) Howe; her first and second husbands, Joe Hill (beginning in 1987) and Robert "Red" Senechal; her sister Dorothy (Howe) Bent and husband Charles D. Bent; her brothers Evan "Pie" Carleton Howe and Robert Marshall Howe; her sisters-in-law Mildred (Wood) Howe and Lucille (Goodwin) Howe; her children David Gardner Hill, Roberta Senechal, and Marianne Senechal; her daughters-in-law Kay (Izumi) Hill and Taiko (Katane) Hill; her nieces and nephews; her aunt Fay (Amazeen) Bailey and Bailey family members; and many others. Included are letters from Robert M. Howe to his mother Clara (Amazeen) Howe and family during his service with the Merchant Marines, 1942-1945, as well as letters from Marion to Robert Senechal before their marriage, 1946-1948, and when Marion took a trip around the U.S., 1954-1955, to Europe with Roberta and Marianne, 1970, and to Africa with Roberta, 1970-1971. Marion's letters from Africa contain detailed descriptions of her experiences and the unrest following Idi Amin's military coup in Uganda in early 1971. Letters from David G. Hill to Marion discuss his work as a pilot for the Navy, 1955-1968, and later for Northwest Airlines, including the pilots' strike in 1978 and other labor issues. Among the political subjects discussed in this subseries are elections, the Reagan administration, the Iran-Contra scandal, and the First Gulf War. Also included are letters about the estate of Clara Howe, family history, and the annual Howe family reunion, as well as some letters to Roberta Senechal, beginning ca. 1980, and correspondence of members of the Senechal family.

This subseries consists of the personal papers of Marion Senechal, including correspondence with non-family members, diaries, material related to her education and professional career, writings, and other papers.

This subseries consists of the personal papers of Robert A. Senechal, including correspondence with non-family members, material related to his union work, and diaries and annotated calendars describing his daily activities.

This subseries contains school essays and non-family correspondence of David G. Hill, the son of Marion (Howe) Hill and her first husband Joe Hill.

This subseries consists of the papers of Roberta Senechal, the daughter of Marion (Howe) Senechal and her second husband Robert A. Senechal. Included is a baby scrapbook, compiled by Marion, containing clippings, drawings, cards, etc.; two report cards and a letter from Roberta to her parents; and bulletins and other handouts from a course Roberta took at the Cambridge (Mass.) chapter of the Boston Church of Scientology in 1971.