Gupta, R L Law of opium and opium smuggling: containing commentaries on opium act( 1 of 1878), opium act( 13 of 1857), opium and revenue laws(extension of application) act of(33 of 1950) and opium smuggling - Allahabad Law Book Co 1971 - xxxiii, 319p p. Subjects--Index Terms: Opium trade- Law and legislation- India