The Grace Brewster collection is arranged in chronological order and by family name. The correspondence between Brewster and her relatives is arranged in chronological order from 1888 – 1952. The family genealogies have been arranged by family names: Bentley, Brewster, Bristol, Bunker, Jordan, Kettner, Loomis, North, Panling, Pratt, Rambo, Roberts, Sheldon, Smith, and Stone families. Additionally, fourteen notebooks and numerous documents concerning various family members have been categorized as miscellaneous items. The last section of the collection contains portraits of some members of the Brewster’s extended family tree.