Series V. Francis Boardman Crowninshield (1869-1958) and Louise Dupont Crowninshield (1877-1958) Papers consists of three subseries. Subseries A. Financial Records include cancelled checks, receipts, and account books for Francis and Louise covering the period between 1899 and 1903.

Subseries B. Correspondence includes letters written to and from Francis and Louise Crowninshield. Included in Francis's correspondence are a number of letters written to Ogden Codman, a relative of the family.

Subseries C. Personal Papers include: newspaper clippings, in which are found notices of the death of Theodore Chase; photographs; a postcard of Cleopatra's Barge, the family yacht; poetry on loose-leaf paper; business cards; and a number of labels for "fine old imported port."