David Mosse has written an influential organizational ethnography on his experiences Britain's Department of Foreign Affairs and International Development. The book should be available in major academic libraries: http://www.citeulike.org/group/266/article/311738
You might also try searching OpenDOAR, which is a global directory of open access research repositories (since many academics now archive pre-print copies of their work in institutional archives, this can be a trove of new and soon-to-be published research). http://opendoar.org/search.php