A recent survey of publicly available corpora - monolingual, multilingual, learner, and vocering not just English and Chinese, but many languages, and including Internet links - can be accessed at the following link: 
http://www.lancs.ac.uk/postgrad/xiaoz/papers/corpus%20survey.htm
				
			http://www.lancs.ac.uk/postgrad/xiaoz/papers/corpus%20survey.htm
 
				