The collection consists of materials collected or acquired from various sources that document the history of the Sopron Division of Forestry and its alumni. In addition, it includes a set of the Kapocs Sopron alumni newsletter.

The fonds consists of John Goodwin’s professional career at MacMillan Bloedel. The bulk of the records relate to the Pine Hill, Alabama project by the Linerboard and Packaging Group. Additional records relate to pre-planning and long range studies on viability of production outside of B.C., including the US and UK sites. Several other projects included in this fonds relate to the Powell River region project, the Bag and Specialty division, and the Bulk Packaging division of MacMillan Bloedel. Specific administrative record types include: business assessments, historical reports, inter-office memos, strategy reviews, proposals, management strategies, strategic direction and long-range plans, and presentations.

The fonds consists of financial records of the Humbird family and records of various companies in which they had interests, including: Victoria Lumber and Manufacturing Company, Limited; Clearwater Timber Company; Humbird Lumber Company, Limited; Jacob Humbird Holding Company; White River Lumber Company; and Seaboard Shipping Company Limited.

Fonds also includes photographs, family financial records (distinct from company financial records), legal records, maps, correspondence, and press clippings. Photographs include photograph albums of the Victoria Lumber and Manufacturing Company Limited, an album of photographs pertaining to the family's interests in Mason and Clayton, Wisconsin, and Sandpoint, Idaho, and photographs of family members and employees of the companies. Family financial records include records pertaining to the estates of Jacob Humbird and the elder John A. Humbird, as well as financial record books of John A. Humbird and Thomas J. Humbird. Legal records include contracts, tie notices and permits, wills, and various land use records. Some maps show various company holdings, others are road maps. Correspondence is divided between company business and historical research about the companies (by family members). Press clippings are predominantly about the Chemainus and Mason operations.