CLACSO
The Latin American Council of Social Sciences (CLACSO) provides a platform for OA output from 736 social science research and teaching institutional members from 51 countries across Latin America, the Caribbean, and other continents (see English-language PDF about goals, reach, ...).
Next to a variety of other content, access to ~1,400 OA books is provided by CLACSO's repository http://www.biblioteca.clacso.edu.ar/
The repository provides Dublin Core metadata and has a OAI-MPH interface that is reachable at: http://biblioteca.clacso.edu.ar/gsdl/cgi-bin/oaiserver.cgi?verb=Identify
Contact details: biblioteca@clacso.edu.ar
The Thoth Wiki has been developed in the context of the COPIM (Community-led Open Publication Infrastructures for Monographs) project. Individual contributions to the wiki have been made by Tim Elfenbein, Rupert Gatti, Ross Higman, Vincent W.J. van Gerven Oei, Tobias Steiner and Hannah Hillen under the general editorship of Van Gerven Oei. All data are available under a CC-BY 4.0 license.