Author: पाल, जे.
Publisher:Dr. J. Pal Chamberlane Road, Lahore. डॉ. जे. पाल चैंबरलेन रोड, लाहौर.
Copyright:1938
Author: Carroll, Sydney W
Publisher:Sir Isaac Pitman & Sons Ltd., London
Copyright:1947
Author: Croce, Benedetto
Publisher:Vision Press, London
Copyright:1953
Author: Williams, Tennessee
Publisher:Secker & Warburg, London
Copyright:1957
Author:
Publisher:National Council of Science Museums, Kolkata
Copyright:2014
Author:
Publisher:Nehru Science Centre-National Council of Science Museums, Mumbai
Copyright:2009
Author:
Publisher:Nehru Science Centre-National Council of Science Museums, Mumbai
Copyright:2016
Author:
Publisher:Nehru science centre-national council of science museums, Mumbai
Copyright:2017
Author:
Publisher:National Council of Science Museums, Mumbai
Copyright:2014
Author:
Publisher:National Council of Science Museums, Kolkata
Copyright:1979
Author: Bhattacharya, Sudhibhushan
Publisher:Indian Publications, Calcutta
Copyright:1968
Author:
Publisher:National Council of Science Museums, Kolkata
Copyright:2012
Author:
Publisher:National Council of Science Museums, Kolkata
Copyright:2015