Devol, Diman & Co. (Bristol, R.I.) - correspondence, receipts, invoices and other financial records re shipping business, ca. 1839-1851, 1856-1859, n.d.
Diman, Byron (1795-1865)
Business correspondence and financial records (includes 1862 appeal from the National Freedman's Relief Association, and other Civil War era items), 1823-1863, n.d.
Correspondence from William Henry Wight (friend), 1824-1827
Correspondence to William Henry Wight (nephew) 1836-1838,
Correspondence from William Henry Wight (nephew), 1841, 1844
Correspondence (business) to and from Wight & Fleury of New York, 1844
Correspondence from J. D. Burgess, 1852-1853, 1856
Promissory Notes, ca. 1822-1848
Diman, Henry W. (son of Byron Diman)
School Reports, 1843-1850
Correspondence to his father, 1850-1862
Correspondence from his father, 1856
Correspondence - various, including Civil War era, 1852-1862, 1886
D'Wolf Family (Byron Diman was involved settling the estate of Mark Anthony D'Wolf in 1855), 1819-1862, n.d.
Wight, William Henry, 1822-1851, n.d.
Miscellany (receipt for J. Burgess), 1829