- E-bookParrots of the WorldJoseph M. Forshaw
- E-bookField Guide to the Frogs of AustraliaMichael J. Tyler
- E-bookField Guide to the Frogs of AustraliaMichael J. Tyler
- E-bookSéries: Princeton Field GuidesPeter Hancock
- E-bookQuail, Buttonquail and Plains-wanderer in Australia and New ZealandJoseph M. Forshaw