1. Le noyer, monographie;E Germain,1999
2. Dictionary of cultivated plants and their centres of diversity excluding ornamentals, forest trees, and lower plants;AC Zeven,1975
3. Darwins Harvest New Approaches Orig Evol Conserv Crops;MK Aradhya,2006
4. Meiosis of micro-sporogenesis in the Juglandaceae;RH Woodworth;Am J Bot,1930
5. The classification within the Juglandaceae;WE Manning;Ann Mo Bot Gard,1978