The records include receipt books (1888-1894 incomplete, 1945-1949), ledgers (1912-1950), capital stock book (1902-1951), company meeting records (1902-1951), and photographs.

Personal papers and business records of Walter L. Arnold, a businessman, guide, fur trader, trapper and author from Greenville, Maine.

A collection of the business records of a retail book store owned and operated by Charles E. Campbell in Portland, Maine. Includes ledgers, account books, inventories, and auditors' reports.

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.

A ledger recording lumber shipments. Entries record lumber sold by Eastern Mfg. Co., Wm. Engel & Co., and Sterns Lumber Co. There are no entries for Sargent Lbr Co. Entries include date, raft, kind of lumber, by whom sold, purchaser, vessel, and remarks.

A collection of store journals including ledgers, cash books, check books, and personal accounts.

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.

Hand written ledger lists work completed by those employed by Pike who appear to have been repaid mostly in goods, including corn, potatoes, clothing, pistols and other supplies.

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.

Business records of Edmund T. Ring and scrapbooks documenting the career of his son, Edgar E. Ring, both of Orono, Maine. Edmund appears to have operated a grocery store there and also operated a sawmill under the firm name E.T. Ring and Son.

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 Stetson family papers consist primarily of the business and personal papers of George Stetson, his sons Edward and Isaiah Kidder, and Isaiah's son Irving G. Stetson. They reflect the involvement of the Stetsons in the lumbering, slate mining, ice harvesting, and banking businesses in Bangor, Maine, the northern woods of Maine, and in New Brunswick.

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