Legume photography, VII International Legume Conference 2018, Bean Bag webpage, Flemingia in India, BHL (Biodiversity Heritage Library), International Conference on Legume Genetics and Genomics (ICLGG) 2019 , Vigna, Legume morphology, Paloue, LPWG (Legume Phylogeny Working Group), Advances in Legume Systematics 13, and Character statements lists for the Leguminosae

Ceratotropis, Legumes of the World, Nodulation, Rupert Barneby Award 2004, Legume researchers, Advances in Legume Systematics Part 11, Fabaceae, Legumes of South Asia, Fourth International Legume Conference 2001, Legumes, Leguminosae, Legume systematics, Nitrogen fixation, Vigna, Legume fruits and seeds, South American Legume Report, IGSM (International Group for the Study of Mimosoideae), ILDIS (International Legume Database and Information Service), Karren Redden, and Advances in Legume Systematics Part 10

Phaseolus, Nodulation, Third International Legume Conference 1992, Legume researchers, Fabaceae, Useful and economic plants of Tropical Asia, Solanaceae Quarterly, Legumes, Leguminosae, Aridus, Legume systematics, Legumes of Hawai'i, Vigna, Desert legumes, NItrogen fixation, and Lotus Newsletter