Singh, Prakash Nagaland/ Prakash Singh - 4th ed. - New Delhi: National Book Trust, 2004. - ix, 210 p. : ill., maps ; 22 cm. - (India--the land and people) . ISBN: 812371484X Subjects--Topical Terms: India--Nagaland Dewey Class. No.: 915.0954165 / SIN/N