1. The gametophyte and family relationships,1973
2. Comparative morphology of the gametophyte of homosporous ferns;Phytomorphology,1964
3. Observations on the morphology and anatomy of Diplaziopsis javanica (Bl.) C. Ch;Plant Science,1969
4. The stelar anatomy of Diplazium latifolium Moore;American Fern Journal,1969
5. Anatomy of some Himalayan species of Athyrium;Journal of the Indian Botanical Society,1971