Vol. 1 (Northern hemisphere)
Vol. 2 (South America)
Vol.3 (Central and South America)
Vol.4 (South and South East Asia)
Vol.5 (Indonesia, Malaysia, Philippines)
Vol.6 (Africa)
Vol.7 (Australia, Papua New Guinea)
Vol.8 (Madagascar and Indian Ocean islands; New Zealand and Pacific Ocean islands)
Vol.9 (extinct animals and index)
Includes bibliographic references.