Consists of business and personal papers of several generations of the family as well as materials concerning the town of New Gloucester, Maine.

Papers related to Roscoe C. Emery's roles as a politician, newspaper editor, real estate agent and insurance agent in Eastport, Maine.

Records of the Katahdin Iron Works, an iron producing company located near Brownville Junction, Maine. It also includes records of Piscataquis Iron Works, a successor to Katahdin, and records generated by Prentiss and Carlisle Company of Bangor while managing the timberland on the Iron Works property.

The Penobscot Lumbering Association records consist primarily of legal, financial, and lumbering records maintained by the Association from the time of its incorporation in 1854 through the early 20th century. The collection is arranged in seven series: Organization and Administration, Financial, Purchasing, Labor, Lumbering Operations, Miscellaneous, and Ancillary Companies.

The business records of the estate of Henry E. Prentiss, as administered by Henry M. Prentiss, concerning timberland holdings. Includes stumpage bills, records of checks received and sent, and correspondence. Also includes the Aroostook Land Company records.

Records of Thomas W. Smith, principal partner in various firms selling dry-goods, groceries, and hardware between Augusta, Maine and Boston. Arranged in two series: Business Records and Augusta Bank Records.

The records of a marine hardware firm. Included are catalogs, correspondence, employee records, bills, receipts, and medical records of employee accidents.