Sledge, John (December 30, 1987). "St. Mark's Lutheran Church". Rural Churches of Baldwin County (Thematic Group). National Park Service. Archived(PDF) from the original on March 13, 2014. Retrieved March 13, 2014. See also:"Accompanying photos". Archived(PDF) from the original on March 13, 2014. Retrieved March 13, 2014.
webcitation.org
Sledge, John (December 30, 1987). "St. Mark's Lutheran Church". Rural Churches of Baldwin County (Thematic Group). National Park Service. Archived(PDF) from the original on March 13, 2014. Retrieved March 13, 2014. See also:"Accompanying photos". Archived(PDF) from the original on March 13, 2014. Retrieved March 13, 2014.