If you want to learn about vintage fashion, the Fashion Newspaper offers to fine suggestions.

1)  Visit the Vintage Fashion section at Apparel Search (in the Women's Clothes Guide section).

2)  Become a member of the Vintage Fashion Group at the Fashion Industry Network.

Well, that is basically all you need to know.  Actually, it would be smart to consult with a vintage clothing store owner.  You should visit some of the vintage clothing stores to learn more.