The Michael Sullivan Papers are organized according to the following series and subseries arrangement:

Series I: Whatcom County Historical Preservation Survey 1978-1985

Subseries One: Survey Advisory Board Administrative Materials, 1978-1985

Subseries Two: Survey Inventory Forms, 1979

Subseries Three: Historical Preservation Survey Slides, circa 1978

Series II: Whatcom County Arts Commission Survey - "Vintage Bellingham 1977-1979

Subseries One: General Survey Information, 1977

Subseries Two: Completed Survey Forms, 1979

Series III: Research and Reference Materials on Whatcom County Pioneers, circa 1864-1981

Series IV: Regional Research and Reference Materials, circa 1880-1975

Subseries One: Research Papers 1880-1975

Subseries Two: Photographs circa 1872-1955