http://lingspace.wm.edu/lingspace/creek/learning-creek/bookshelf/ (Publisher version)
creek_buckner1860_o.pdf (Any fulltext), 6MB
Buckner, H. F., & Herrod, G. (1860). A grammar of the Maskwke, or Creek language, to which are prefixed lessons in spelling, reading and defining. Marion: The Domestic and Indian Misison Board.