"British Ornithologists' Union." . . . . . . "A List of British Birds compiled by a committee of the Union"@en . . . . . . "A List of British Birds ... Second and revised edition"@en . . . . . . . . . "A List of British birds" . "Terminology"@en . . "A list of British Birds, compiled by a committee of the British Ornithologists' Union. [With a preface signed by P. L. Sclater and H. T. Wharton.]" . . "A list of british birds" . . "A list of British birds"@en . "A list of British birds" . . . . . . . . . "A list of British Birds, compiled by a committee of the British Ornithologists' Union. [With a preface signed by P.L. Sclater and H.T. Wharton.]"@en . . . . . "A List of British Birds"@en . "A list of of British birds"@en . . . . . . . . . . . . "A list of British birds. --"@en . "Gt. Brit." . . "British Ornithologists' Union." . . . "oiseau Grande-Bretagne liste de genres et d'espèces." . . "Great Britain" . .