1. Medical ethnobotany of the Marma tribe of Bangladesh;Alam;Econ. Bot.,1992
2. Anonymous, circa, 1770. Euphorbia peplus. Small garden spurge. London. Eighteenth Century Collections Online. Oxford, England: JJ Horticulture Folder, Bodleian Libraries, University of Oxford. 〈http://find.galegroup.com.ezp-prod1.hul.harvard.edu/ecco/infomark.do?&source=gale&prodId=ECCO&userGroupName=camb55135&tabID=T001&docId=CW109002308&type=multipage&contentSet=ECCOArticles&version=1.0&docLevel=FASCIMILE〉 (accessed 10.04.13).
3. Role of non-timber forest products in a subsistence economy: the case of a joint forestry project in India;Appasamy;Econ. Bot.,1993
4. Plants used as means of abortion, contraception, sterilization and fecundation by Paraguayan indigenous people;Arenas;Econ. Bot.,1977
5. Native medicinal and poisonous plants of East Africa;Bally;Bull. Misc. Inf.,1937