The British List: A Checklist of Birds of Britain (9th edition)

British Ornithologists’ Union Records Committee (BOURC): 47th Report (October 2017)

(2017)   IBIS

British Ornithologists' Union Records Committee (BOURC): 46th Report (October 2016)

(2016)   IBIS

British Ornithologists' Union Records Committee: 45th Report (October 2015)

(2015)   IBIS

British Ornithologists' Union Records Committee: 44th Report (January 2015)

(2015)   IBIS

British Ornithologists' Union Records Committee: 43rd Report (October 2014)

(2014)   IBIS

The British List: A Checklist of Birds of Britain (8th edition)

(2013) Andrew H. J. Harrop et al.   IBIS

British Ornithologists' Union Records Committee: 42nd Report (October 2013)

(2013)   IBIS

British Ornithologists’ Union Records Committee: 41st Report (October 2012)

(2012)   IBIS

Taxonomic recommendations for British birds: eighth report

(2012) George Sangster et al.   IBIS

British Ornithologists’ Union Records Committee: 40th Report (October 2011)

(2011)   IBIS

Taxonomic recommendations for British birds: seventh report

(2011) GEORGE SANGSTER et al.   IBIS

British Ornithologists’ Union Records Committee: 36th Report (November 2007)

(2010)   IBIS

British Ornithologists’ Union Records Committee: 39th Report (October 2010)

(2010)   IBIS

Taxonomic recommendations for British birds: Sixth report

(2009) GEORGE SANGSTER et al.   IBIS

British Ornithologists' Union Records Committee: 38th Report (October 2009)

(2009)   IBIS

British Ornithologists’ Union Records Committee: 37th Report (October 2008)

(2008)   IBIS