Foreword, by C.W. Spellman.--Fort San Luis: documents describing the tragic end of the mission era, translated and annotated, together wit an introd. by M.F. Boyd.--A Spanish mission site in Jefferson County, Florida, by H.G. Smith.--Excavations at the site of San Luis, by J.W. Griffin.--Appendix: Leon-Jefferson ceramic types, by H.G. Smith, and Trait list of two Spanish sites of the mission period, by J.W. Griffin and H.G. Smith.--Bibliography (p. 179-182).