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South Dakota Postcards
Collectors' & Reference Sites
- Penny Postcards from South Dakota
- A wonderful exhibit of old postcards from a USGenWeb Archives Web Site: street scenes, court houses, bridges, lakes, and more.
Postcard Dealers' Sites
- South Dakota Postcards from Delcampe.com
- South Dakota postcards from Playle's Online Auctions
- South Dakota postcards from Legends of America
- South Dakota Postcards from LotsofCards.com
South Dakota Postcard Books
- Clark County (Postcard History)
- South Dakota 1900-1930 in Vintage Postcards
- Yankton, South Dakota in Vintage Postcards