Ellis, Gary D., et. al.
Cultural Resources Study of Seminole County, Florida
[Sanford, Fla.: Seminole County, Fla.?] 1994.

Francke, Arthur E.
Early Days of Seminole County, Florida.
[Sanford, Fla.]: Seminole County Historical Commission in cooperation with Seminole Community College, Office of Community Instructional Services, c1984.

Robison, Jim.
Flashbacks: the Story of Central Florida's Past.
Orlando: Orange County Historical Society and the Orlando Sentinel, c1995.
ISBN: 1569430519

Seminole County Historical Commission.
Seminole County Historical Society.
Seminole County Tourist Development Council.
A Sightseeing Tour of Seminole County Historic Sites: Traveling Around Seminole County.
[Sanford, Fla.]: The Commission, 1991.
 

Johnston, Mary E.
Goldenrod Historical Society, Inc.
Gathering Clusters of Goldenrod.
c1992

Shofner, Jerrell H.
A History of Altamonte Springs, Florida.
Altamonte Springs, Fla.: City of Altamonte Springs in association with Tabby House Charlotte Harbor, Florida, c1995.
ISBN: 0964586304

Green, Margaret Sprout.
Wesley, Margaret Green.
Lake Mary’s Beginnings and the Roaring Twenties in Lake Mary and Sanford, Florida.
Chuluota [Fla.]: Mickler House, 1986, c1984
ISBN 0913122505

Adicks, Richard, and Neely, Donna M.
Oviedo: a Biography of a Town.
Ovideo, Fla.: Richard Adicks and Donna Neely, c1992

Oviedo Historical Society
Ovideo Circa 1960.
Oviedo, FL: The Society, 1982

Schaal, Peter
Sanford and the World War II years, 1936-1945.
[Orlando, Fla.?] P. Schaal, c1975.

Schaal, Peter
Sanford as I Knew It, 1912-1935.
[Orlando? Fla.,1970]

Bishop, Kathrine
Sanford Now and Then: an Official Project of the Greater Sanford Chamber of Commerce, Commemorating the Incorporating of the city of Sanford, 1877.
[Sanford, Fla?]: Greater Sanford Chamber of Commerce, 1976?
 

R. L. Polk & Co.
Sanford (Sanford, Florida) City Directory: Including DeBary and Lake Mary. Richmond, Va.: R. L. Polk, annually

No complete set of city directories has surfaced.

Sanford Chamber of Commerce: Various holdings

Museum of Seminole County History: Various holdings

Seminole County Public Library System: 1983-86, 1988, 1990-93

Sanford Museum: (Please note: copies from these directories are not available.)

1886 (non-Polk city directory), 1909, 1917-1918, 1924-1925, 1926-1927, 1947, 1952, 1954, 1956-7, 1959-61, 1963-82, 1988-92

The Sanford Herald

The Seminole County Public Library System has the Sanford Herald newspaper on microfilm from August 22, 1908 - August 31, 1996.

There is no index that I am aware of at this time.