This collection contains documents, reports, historic memorials, newsletters, periodicals, yearbooks, and other materials pertaining to various organizations and governing bodies around Florida, including the State Board of Education in Florida, Daughters of the American Revolution, the Coral Gables Garden Club, the Florida National Group of Banks, the Coral Gables Women's club, and so on.

Research material from noted author and historian, Arva Moore Parks McCabe (1939-2020). Born in Miami, Florida, Arva had written countless books on Florida's eclectic history, including The Forgotten Frontier: Florida through the Lens of Ralph Middleton Munroe, Miami, the Magic City, and George Merrick, Son of the South Wind: Visionary Creator of Coral Gables. She also served as chief curator, interim director, and chair of the Coral Gables Museum.

This collection focuses heavily on George E. Merrick, Coral Gables, and other research topics used in her writings. It also features a large assortment of archival material: booklets, books, magazines, posters, photographs, negatives, pamphlets, postcards, maps, ephemera, newspapers, and guides about Miami and other notable cities and famous people related to South Florida.