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See Bradshaw for other entries including the railway timetable (and its originator, George Bradshaw).

The Bradshaws are a distinctive style of rock art found in the Kimberley region of Western Australia. They are named after the pastoralist Joseph Bradshaw who was the first European to discover them in 1891, whilst searching for grazing land for his cattle. The Bradshaws are also known as Gwion Gwion by the local Aboriginal people.

Scientists estimate that there may be more than 100,000 sites spread over 50,000 sq. km of the Kimberley. In 1996 one of the paintings was dated by analysing an ancient wasp nest covering it (using thermoluminescence). The nest was found to be over 17,000 years old, indicating that some paintings are at least this old.

Debate rages as to who actually created the art. On one side of the debate is Grahame Walsh, an amateur archeologist and the leading expert on the Bradshaws with over 1.2 million images he has amassed over 21 years studying them. His hypothesis claims that the Bradshaws were painted by a culture predating present day Indigenous Australians. On the other side are the mainstream scientific community who believe that it is completely plausible that the art was produced by the local people. Controversy surrounds this debate as it is believed by some non-indigenous Australians that if the Bradshaw art is found not to be Aboriginal in origin, land rights claims by Indigenous Australians may be undermined. Regardless of whether the Bradshaw art is Aboriginal or exotic, "mainstream" Indigenous art is also found in the Kimberley region - proof that Indigenous people have inhabited and had cultural connection to the area.

• Australian Aboriginal art

• TLS review of Lost World of Kimberley
• Bradshaw Foundation Bradshaw Paintings of the Kimberley, North West Australia