Chiefly letters by or to John Cobleigh, his sons, Luke, George, John R., and Lyman, all of Princeton and Winchendon, Mass., and his daughter, Lucy Ann Foristall, of Fitzwilliam, N.H., 1847-1859, discussing family news, local events, and the brothers' employment as wood workers in sawmills. Includes letters describing the California gold mining experience of Luke and John, 1852-1854, and George's work on railroad construction in Chicago, 1855-1857. Also includes Luke's diary, 1860, and account books, 1861-1865.