Records filed by corporations doing business in Albany County. Files include articles of incorporation, annual or semi annual financial reports, filed with the Secretary of State, correspondence, board resolutions and stock samples.

Register of instruments recorded in the County Clerk's office. Information provided includes date of filing, grantor, grantee, character of instrument, and a reference to the book and page where the document was recorded. These registers, though predominantly for deeds and mortgages, also include marriage licenses, decrees, bills of sale, powers of attorney, and other instruments.

1870-1972 available on microfilm in the Reading Room.