Collections of Chinese art and Asian export art at Peabody-Essex Museum, Salem, MA:

Chinese House at Peabody-Essex Museum, Salem, MA:

Maine Memory Network: Go to Exhibits to see a presentation on Chinese in Maine.

Washington State University Course Notes Online: Ch’ing China Link.

Making a Chinese Compass: Link.

There are a number of other resources on the web that provide statistics and history on China, such as the China Internet Information Center at: and China Today, at:
History of the Abacus and its use: Link.