1
Chimpanzee Behavior in the Wild [E-Book] : An Audio-Visual Encyclopedia /
2
Darwin's fishes : an encyclopedia of ichthyology, ecology, and evolution [E-Book] /
3
Darwin's Fishes [E-Book] : An Encyclopedia of Ichthyology, Ecology, and Evolution /
4
Encyclopedia of Entomology [E-Book].
5
Encyclopedia of Entomology [E-Book] /
6
Encyclopedia of insects / [E-Book]
7
Encyclopedia of marine mammals / [E-Book]
8
Encyclopedia of South American Aquatic Insects: Hemiptera - Heteroptera [E-Book] : Illustrated Keys to Known Families, Genera, and Species in South America /
9
Encyclopedia of South American Aquatic Insects: Odonata – Anisoptera [E-Book] : Illustrated Keys to Known Families, Genera, and Species in South America /
10
Encyclopedia of South American Aquatic Insects: Odonata - Zygoptera [E-Book] : Illustrated Keys to Known Families, Genera, and Species in South America /
11
Encyclopedia of Texas seashells : identification, ecology, distribution, and history [E-Book] /