Economic tables. Meghalaya. V. 16 & V. 1, Pt. IIIB-B series, Table B-2, B-3, B-6, B-7, B-8, B-9, B-12, B-13, B-14, B-15, B16, B-17, B-18 - Census of India, 1991 (Meghalaya Govt. Press, 1991)