India. Registrar general and census commissioner & Singh, R. C. P. (1960). Census of India 1961, Himachal Pradesh: Economic tables. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndia. Registrar general and census commissioner और Ram Chandra Pal Singh. Census of India 1961, Himachal Pradesh: Economic Tables. s.n, 1960.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndia. Registrar general and census commissioner और Ram Chandra Pal Singh. Census of India 1961, Himachal Pradesh: Economic Tables. s.n, 1960.
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