BioStor
 | William Jack's genera and species of Malaysian plants Elmer Merrill Journal of the Arnold Arboretum 33: 199-251 |
 | Account of the Lansium and some other Genera of Malayan Plants William Jack and Henry Thomas Colebrooke (1823) Transactions of The Linnean Society of London 14: 114-130 |
 | Synopsis of the Genera and Suprageneric Taxa of Euphorbiaceae Grady L Webster (1994) Annals of the Missouri Botanical Garden 81: 33-144 |