Biogeography
Plant Form: An Illustrated Guide to Flowering Plant Morphology
The illustrated encyclopedia of the butterfly world
History of Insects
A Sand County Almanac and Sketches Here and There
Flora Yunnanica. Vol.20
Flora Yunnanica. Vol.18
Flora Yunnanica. Vol.2. Spermatophyta
Flora Yunnanica. Vol.3. Spermatophyta
Flora Yunnanica. Vol.4. Spermatophyta
Flora Yunnanica. Vol.5. Spermatophyta
Flora Yunnanica. Vol. 6. Spermatophyta
Flora Yunnanica. Vol.7. Spermatophyta
Flora Yunnanica. Vol.8. Spermatophyta
Flora Yunnanica. Vol.9. Spermatophyta
Flora Yunnanica. Vol.10. Spermatophyta
