I've been around too long!LOL, so I can somewhat recognize fabrics from the 70s on. 30s fabrics tend to be bright true colors with prints. I'll find a link to send you too. Be back in a minute.
http://www.google.com/search?q=30s+f...ls=org.mozilla:en-US:official&prmd=ivns&tbm=isch&tbo=u&source=univ&sa=X&ei=KCW4TZzQCJOUtwfYrMTeBA&ved=0CC0QsAQ&biw=899&bih=433