Indigenous drugs of India : their medical and economic aspects по Chopra, R.N

Green revolution in India по Chopra, R.N

Biology of bryophytes по Chopra , R.N

Indian ephedras : their chemistry and pharmacology по Chopra, R.N

Food policy in India : a survey по Chopra, R.N

Common medicinal plants of Darjeeling and the Sikkim Himalayas по Biswas, K.

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Insecticidal and piscicidal plants of India по Badhwar, R.L

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Dictionary of library science

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Supplement to glossary of Indian medicinal plants по Chopra, I.C

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Glossary of Indian medicinal plants по Chopra, I.C

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