Ussher, R. J., & Warren, R. (1900). The birds of Ireland: An account of the distribution, migrations and habits of birds as observed in Ireland, with all additions to the Irish list. Gurney and Jackson (successors to Mr. Van Voorst).
MLA CitationUssher, Richard John, and Robert Warren. The Birds of Ireland: An Account of the Distribution, Migrations and Habits of Birds as Observed in Ireland, with All Additions to the Irish List. Gurney and Jackson (successors to Mr. Van Voorst), 1900.
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