Harting, J. E. Our Summer Migrants An Account of the Migratory Birds Which Pass the Summer in the British Islands.
Chicago-viite (17. p.)Harting, James Edmund. Our Summer Migrants An Account of the Migratory Birds Which Pass the Summer in the British Islands.
MLA-viite (9. p.)Harting, James Edmund. Our Summer Migrants An Account of the Migratory Birds Which Pass the Summer in the British Islands.
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