Davis P. H. 1970: Lathyrus in Flora of Turkey vol. 3: 328-369. -Edinburgh at the University Press.
Fedchenko B. A. 1948: Lathyrus in Flora of USSR. vol. 13: 363-395, Translated in English by Israel program from scientific translations Jeruslem 1972.
Neamati, M. 2000: Lathyrus in Assadi & al. Flora of Iran, no. 33: 110-148. –Publication of Research Institute of Forests and Rangelansds,Tehran.
Rechinger K. H. 1979: Lathyrus in K. H. Rechinger Flora Iranica no. 140: 61-82, Akademische Druck und verlagsantalt Graz-Austria.
Townsend C. C. 1974: Lathyrus in Flora of Iraq. vol. 3: 549-572, Ministry of Agriculture and Agrarian Reform of the Republic of Iraq.
)
