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Authors whose works are in public domain in at least one jurisdiction

List of works by William Ronald Heyer

Descriptions of some tadpoles from Thailand ⬇️

[Chicago]Field Museum of Natural History, 1971.

Mating calls of some frogs from Thailand ⬇️

[Chicago]Field Museum of Natural History, 1971.

Molecular systematics of the frog genus Leptodactylus (Amphibia: Leptodactylidae) ⬇️

Chicago: Field Museum of Natural History, 1988.

The larva of the frog leptodactylus hylaedactylus (Leptodactylidae) ⬇️

[Chicago]Field Museum of Natural History, 1969.

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