2 "Ficheiro:The_migration_of_birds_(IA_migrationofbirds00cowa).pdf".

Ficheiro:The migration of birds (IA migrationofbirds00cowa).pdf

for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:The_migration_of_birds_(IA_migrationofbirds00cowa).pdf...

Ficheiro:The Migration of Birds - Thomas A Coward (1912).djvu

Thomas Coward: The migration of birds     Author T. A. (Thomas Alfred) Coward Title The Migration of Birds Publisher The University Press Object type...

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