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- Aldicarb / first draft prepared by J. Risher, H. Choudhury - Geneva : World Health Organization , 1991 - 130 s. (Environmental health criteria; 121) ISBN 92-4-157121-7 [1, currently available 1]
- Chapters, articles
book
- Barium and barium compounds / first draft prepared by Harlal Choudhury, Richard Cary - Geneva : WHO , 2001 - iv, 52 s. (Concise international chemical assessment document; no. 33) ISBN 92-4-153033-2 [1, currently available 1]
- Chapters, articles
book