Material in the Brook Farm Community record book concerns the formation and government of the Brook Farm Phalanx. The minutes from meetings and Board of Directors conferences discuss the establishment of the Community and weekly business issues. Interspersed throughout the notes are drafts of the Constitution of the Community, with subheadings encompassing most phases of government and life at Brook Farm. There is also a document from the Commonwealth of Massachusetts incorporating the Brook Farm Phalanx.
The Brook Farm record book is held by the Massachusetts Historical Society, Boston, Mass.