. . "Ohio" . . "Michigan" . . . . "History" . . . . . . . . . . . "Papers collected, including letter, 1818, from Horatio Ball describing climate, commercial potential, and composition of population in Detroit and vicinity; letter, 1838, of Stevens T. Mason to Gen. Hugh Brady concerning troop movements and other military information; letter, 1842, of John J. Adam discussing loan made by Albany bank to finance public works; and other correspondence of more routine character." . . . . "Detroit (Mich.)" . .