Links to other relevant websites
Asian Rare Books - an excellent source of antique books on China and other parts of Asia, operated out of New York.
Early Chinese Radio - An interesting website maintained in New Zealand, documenting radio stations in places including China in the 1930s.
An American in China 1936-39 - memoirs, photos and other material from an Ameican businessman living in China. A lovely site.
Genealogist specialising in families who lived in China & Hong Kong http://myweb.tiscali.co.uk/dustyfiles
Rare Oriental Books - a prominent seller of such books, based in California