Proceedings of meetings of boards, commissions, committees, and special task forces. Includes minutes of permanent boards, etc., established by the City Charter and special committees, etc., appointed for a short duration. Does not include minutes of City Council.

Correspondence, reports, newspaper clippings, and photographs collected by Massart while serving on City Council (1950-1967). Includes materials relating to Metro, Seattle Center, Century 21 Exposition, Pacific Science Center Foundation, and the Port of Seattle. Other subjects include transportation, city finances, housing, alcoholism, sports stadium, human rights, and urban renewal.