Public Art Research Archive
Sheffield Hallam University, Sheffield, UK has compiled an excellent list of public art links and resources from around the world as well as a view into the public art activities in UK.

Public Art - Los Angeles
Los Angeles is a modern city with a large and diverse ethnic population. This site documents public art works, sculptural works, mosaics, and murals, in the downtown area, the University of Southern California, and other places in the city. The Public Art in Los Angeles web site is part of a larger project of the University of Southern California libraries to document Los Angeles, its past, present, and future.

Regional Arts & Culture Council - Portland, OR
This website contains valuable information on current public art activities in one of the most progressive cities in the US.