The fonds consists of general correspondence (1937-1991), personal correspondence files (1950-1985), and miscellaneous personal records. Fonds also includes lecture notes, outlines and other materials relating to courses taught by Haddock at University of Washington, University of British Columbia and Simon Fraser University (1954-1982). In addition, the fonds contains records of his participation with the UBC Speakers Bureau (1976-1987) and subject files. Fonds includes: Biographical Information, General Correspondence (1937-1991), Personal Correspondence Files (1950-1985), Miscellaneous Personal Records, Course-Related Records (1954-1982), and Subject Files.

The fonds consists of the following series: Dean's correspondence (1968-1981); committee records (1966-1981); staff meetings (1955-1981); course and student records (1970-1981); printed lectures (1950-1982); Federal Government (1976-1982); University Research Forest (1937-1981); Royal Commission on Forest Resources in B.C. (1975/76); Printed Material (1956-1982); Departmental Reviews (1991-1995); Alumni Matters (1971, 1988-1992); Safety Reports and Inspections (1990-1993); Other Institutions (1985-1993); Subject Files (1984-1993); and Forest Economics and Policy Analysis Unit [FEPA] (1988-1991).

Fonds consists of textual records which document Dr. Marchak's scholarship and related professional and administrative activities, and includes correspondence, reports, typescripts of speeches and articles, written notes, contracts, journal off-prints, course materials, conference packages, and newspaper and magazine clippings.
The fonds is arranged in the following series: Published Works, Unpublished Works, Books Correspondence and Reviews, Universities, Organizations, & Associations, Political Science and Mahmoodi/Dutton Affairs, Correspondence Course, and Conferences. Some series are further divided into sub-series. Within each series and sub-series, the records have mostly been retained in their original order.