The history of postcards in South Asia seems to be unresearched. The books and catalogues below tell of related and analogous developments in other parts of the world. The two journals often carry ads for postcards from India.Picture Postcards in the United States, 1893-1918.
Barr's Postcard News. The World's Largest and Now Weekly Deltiology Newspaper. 70 S. Sixth Street, Lansing, Iowa 52151-0310. 1-800-397-0145.
Postcard Collector. The Marketplace for Postcard and Paper Collectibles. Published monthly. P.O. Box 1050 Dubuque, Iowa 52004-1050. 1-800-334-7165. IATraderpubs@aol.com.