Recent advances in botany : Prof. P. N. Mehra commemorative volume /
editor, P. Kachroo.
- Dehra Dun : Delhi : Dehra Dun : Delhi : Bishen Singh Mahendra Pal Singh ; Periodical Experts Book Agency, Bishen Singh Mahendra Pal Singh ; Periodical Experts Book Agency, 1976.
"List of publications of Prof. Mehra": p. ix-xvi. Includes bibliographical references and index.