Hacker, J.B. A guide to herbaceous and shrub legumes of Queensland. Univ. of Queensland Press, 1990. (351 pp.). [A very useful guide, covering Fabaceae, Mimosaceae, and Caesalpiniaceae, with keys to genera and species, plus descriptions and distributions; includes toxicity data. Some colour photos of variable quality.]
Thompson, J. A revision of the genus Swainsona (Fabaceae). Telopea 5(3): 427-582, 1993. [Technical revision with full-length descriptions and key; a few illustrations of critical features only.]