The following source provides a partial list of titles on southeastern languages:

Martin, Jack. 2002. Bibliography of native southeastern languages. Word | PDF

The reference below is a curriculum for an elementary school language program:

Ayres, Gwyneth, et al. 1993. Materials for the teaching of Muscogee (Creek) and Seminole, Year 1. PDF

The following is a list of place-names of Creek origin:

Martin, Jack B. 2002. From Tallahassee to Tulsa: Creek Place-Names in the American South. Ms., College of William and Mary. PDF

A few technical articles on Creek language are available here.

Other sites

Read more about the Muscogee (Creek) Nation, the Seminole Nation of Oklahoma, and the Seminole Tribe of Florida at their official websites.

Various societies and organizations promote the study of native languages, including the Society for the Study of the Indigenous Languages of the Americas and Indigenous Language Institute. Teaching Indigenous Languages contains useful information. Creek Indian group at Yahoo provides a forum for those interested in the language.

A useful list of titles relating to Creeks can be found at A Creek Indian Bibliography. Online references to native languages can be found at the Native Languages Page and American Indian Language Resources.

Genealogical information can be found at Creek Indian Researcher. Historical documents can be found at The Digital Library of Georgia, Avalon Project's Treaty with the Creeks: 1790, and Creek Treaties related to Georgia.