History of Undercover Reporting Database

http://dlib.nyu.edu/undercover/
New from New York University a database covering the history of undercover reporting, mainly in the USA, highlighting key examples that acted in the public good although they might at the time have been regarded by some as unethical in their methods.
The stance taken is described here  http://dlib.nyu.edu/undercover/about
Historic examples include exposes of slavery in the 19th century: http://dlib.nyu.edu/undercover/reporting-slavery-new-york-tribune
Recent undercover reporting by the BBC in Syria: http://dlib.nyu.edu/undercover/syria-conflict-bbcs-paul-wood-meets-teens-turned-rebels-bbc-news
Many items are in full text. There are also some readings on journalism and ethics: http://dlib.nyu.edu/undercover/conflict-situations