Outside Links and Resources
The home for language courses developed by the Foreign Service Institute. Public-domain (Free) language courses available online.
Nciku is a free online dictionary that supports Chinese and English. It has many features (Handwriting Recognition,Q&As about anything Chinese or China related, Vocab Lists, 4 different types of memorization Tests, pronunciation for all examples and conversations, and real-life phrases from sample Conversations)
A guide to the writing of Mandarin Chinese in romanization