Domestic correspondence of Lucius Lee Hubbard (1849-1933), and that of his wife, Frances Johnson Lambard Hubbard (1852-1927), their three daughters, and other relatives in Cambridge, Massachusetts and Houghton, Michigan. Most of the letters are addressed to Hubbard's daughter Frances Hubbard Flaherty, the wife and co-worker of Robert J. Flaherty, the film director. There is also correspondence of the parents and relatives of Frances Hubbard, the Lambard family of Georgia.