Woodland Farms Vintage Clothing
http://www.woodlandfarmsantiques.com/
Woodland Farms has all kinds of vintage dresses from all eras but they also have a specific Bridal Salon that showcases beautiful, vintage wedding gowns from all eras at reasonalbe prices.

Wedding Details: U.S. Military Wedding Traditions
http://www.weddingdetails.com
Read more about current military wedding traditions.

Vintage Wedding Photos on Flickr
http://www.flickr.com/groups/94766934@N00/pool/
A pool of photographs by Flickr photographers everywhere who have scanned in vintage photographs of weddings.

Wedding Spinster
http://www.weddingspinster.com
A personal website created by a woman who collects wedding photographs. There are some cute articles and images under "Et Cetera" from a 1923 Marriage Certificate to a 1938 Wedding Service. Zeroing In section has photographs of weddings by the Decade as well as ideas for cakes and hairdos.

Wedding Etiquette
http://www.weddingetiquette.biz/
From the engagement through the honeymoon, this site has articles from a 1960 book on wedding etiquette.