"India and Burma," a National Geographic map from 1946; CLICK ON ANY SECTION OF THE MAP FOR A VERY LARGE SCAN

The back of the map provides further analysis of the princely states. It was originally printed in a very light beige, presumably so that the color wouldn't bleed through onto the main map; the contrast has been enhanced for greater readability:
 

Because some of the tiny states in Gujarat and elsewhere might get lost in the creases, here are a few supplementary views:

western

central

eastern

Source: Bought on ebay and scanned by FWP, May 2008