_Open Archives Data Providers: Part III. Social Sciences and Humanities_ Colleagues/ I am pleased and proud to announce the publication and availability of the third part of my Open Archives Data Provider Trilogy: "Open Archives Initiative Data Providers. Part III. Social Sciences and Humanities," _Library Hi Tech News_ 21 no. 7 (September/October 2004): 30-39. I have self-archived a copy of this eProfile at: [ http://www.public.iastate.edu/~gerrymck/OAI-DP-III.pdf ] In this last, but not least section, I profile the following OA Data Providers: 1. David Rumsey Historical Map Collection [ http://www.davidrumsey.com/ ] 2. Documenting the American South [ http://docsouth.unc.edu/ ] 3. Ethnologue [ http://www.ethnologue.com/ ] 4. Perseus Digital Library [ http://www.perseus.tufts.edu/ ] Enjoy! /Gerry Gerry McKiernan Documented Librarian Iowa State University Ames IA 50011 gerrymck@iastate.edu