Census of India 1961
Uttar Pradesh: village survey monograph, Chapnu (tahsil Chakrata, district Dehra Dun) - Delhi The Manager of Publications 1965 - 35+p. - Census of India 1961. Volume XV, Uttar Pradesh. Part VI. No.24 .
A81x54 In2/61/Vol 15/Pt 6-24
Uttar Pradesh: village survey monograph, Chapnu (tahsil Chakrata, district Dehra Dun) - Delhi The Manager of Publications 1965 - 35+p. - Census of India 1961. Volume XV, Uttar Pradesh. Part VI. No.24 .
A81x54 In2/61/Vol 15/Pt 6-24