Name of source McGraw Hill Encyclopaedia of Science and Technology (Library Science)

Name of source McGraw Hill Encyclopaedia of Science and Technology (Library Science)

Dictionary of National Biography

News brief on assessination of Ex. P.M. Rajiv Gandhi – Dictionary of National Biography

Biographical sketch of Dr SD Sharma, President of India – Dictionary of National Biography

Birthplace of Mahatma Gandhi – Dictionary of National Biography

Brief life sketch of Sarojini Naidu – Dictionary of National Biography

McGraw Hill Encyclopaedia of Science and Technology

Uranium Technology –  McGraw Hill Encyclopaedia of Science and Technology

Short description of TV –  McGraw Hill Encyclopaedia of Science and Technology

Webster Geographical dictionary

Old name of gurugram –  Webster Geographical dictionary

Name of source Europa world year book (Library Science)

Name of source Encyclopaedia of American

Oxford English Dictionary

India: a reference Annual (Library Science)

Name of source Census of India 

Ulrich’s International Periodicals Dictionary (Library Science)

Keesing’s record of world events

Indian National Bibliography

British National Bibliography

Indian Books in Print, Name of source

Name of source Blib 5th paper

Webster Geographical dictionary

McGraw Hill Encyclopaedia of Science and Technology,

Dictionary of National Biography