Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
This is a map of Western India c. 1793 cropped from the public domain map, created in 1923, by William A. Shephard, and available at the [http://www.lib.utexas.edu/maps/historical/history_asia.html Perry-Castenada Library: Asia-Historical Maps] Downloaded