Correspondence, photoprints, legal documents, bills, newsclippings, and notes on family history are concerned with the linked McDonald-Reilly-Pero families; with Henry M. Flagler, for whom Joseph A. McDonald built hotels; and gives sidelights on the early history of Miami. Includes details on the building and furnishing of John B. Reilly's home at 1411 SW 11 Street, Miami (1926-1928); considerable correspondence on a proposed sugarcane plantation and sugar refinery for Miami (1911); and a number of letters from Flagler to Joseph McDonald.

Senior class report cards for Joseph H. Pero and Donald Carey Pero, from St. Theresa School, Coral Gables, ca. 1935