The fonds consists of records routine operational transactions through daybooks, cashbooks, ledgers, letter books, mill books, invoice books, time books, cash and book sales, receipts, financial records, invoices and statements. Also represented in the fonds are Campbell Lumber Company correspondence, general papers and correspondence, store quotations, legal documents, lumber schedules, wills and estate papers, the personal Papers of Glidden Campbell, and materials relating to the Weymouth Marine Insurance Co.