Includes correspondence, contracts, labor and carpenter accounts, itemized accounts and plans for the construction of the American House, shops, a malt house, foundry and various dwellings in Buffalo, and other items relating to Colonel Clemons' activities as a builder (1828-1845); goldsmith accounts (1843-1845); general household and expense accounts (1828-1846); a series of letters from Alanson Palmer, a patent broker, land speculator, and builder, relating to their mutual interests in the selling of patent rights, the manufacturing and sale of machinery, and land and building speculation; correspondence, commissions, muster rolls, invitations, election notices and returns, and other papers relating to Clemons' activities as colonel of the 208th Regiment of New York Infantry (1822-1849); orders, reports, correspondence relating to crimes, criminals, stolen goods, fugitive slaves, and other police matters, guard-house memorandum books, travel accounts, a long series of reward handbills, pamphlets, and other papers relating to Clemons' activities as constable of Buffalo.