1. Singh, B. B. Cowpea: The Food Legume of the 21st Century (Crop Science Society of America, 2014).
2. Timko, M. P & Singh, B. in Plant Genetics and Genomics: Crops and Models (eds Moore, P. H. & Ming, R.) 227–258 (Springer, 2008).
3. Pasquet, R. S. & Padulosi, S. Genus Vigna and cowpea (Vigna unguiculata (L.) Walp.) taxonomy: current status and prospects. In Proc. 5th World Cowpea Conference (eds Boukara, O. et al.) 66–87 (International Institute of Tropical Agriculture, 2012).
4. Herniter, I. A., Muñoz-Amatriaín, M. & Close, T. J. Genetic, textual, and archeological evidence of the historical global spread of cowpea (Vigna unguiculata (L.) Walp.). Legume Sci. 2, e57 (2020).
5. Timko, M. P., Ehlers, J. D. & Roberts, P. A. in Genome Mapping and Molecular Breeding in Plants, Vol. 3 (ed. Kole, C.) 49–67 (Springer, 2007).