Photograph of the champion Hackney horse, "Ganymede" standing in a field in the late 19th or early 20th century.

Photograph of a champion Hackney stallion in a paddock at the Palermo Show in Buenos Aires, Argentina in September 1903.

Photograph of the first prize winning Hackney horse, "Comet" standing in a show ring in Buenos Aires, [Argentina] in September 1903.

Photograph of the first prize winning Hackney horse, "Golden Queen" standing in a show yard at the Buenos Aires Show, [Argentina] in 1903.

Photograph of a team of Hackney Carriage horses, "Smart Member," and "Bestman", both 16.3 hands high, harnessed to a carriage. Both horses were owned and bred by Sir Walter Gilbey, Bart, Eisenham Hall, Essex in the early 20th century.

Photograph of a six-week old Hackney filly foal demonstrating 'action' in a field in the early 20th century. Photograph is courtesy of W D Henry, Sewickley, Pennsylvania, USA.

Photograph of a Hackney Grand Vulcan horse in harness pulling a carriage through a field with a man and woman driving in the late 19th or early 20th century. A handwritten note on the slide reads, 'Miss Ella S. Ross Beechfield Sale, Ches.'

Photograph of a Hackney horse in harness pulling a carriage with two men on a path in front of a stately home in the late 19th or early 20th century.

Photograph of the Hackney mare, "Brigham Pearl" who is an example of the heavy harness type. The image shows the horse, in harness, pulling a racing carriage with two men on a race track in the early 20th century. The photograph is courtesy of the owner, S L Howe, Vancouver, British Columbia, Canada.

Photograph of the Hackney mare, "Gallant Girl," standing in a paddock, held on a lead by a man in the late 19th or early 20th century. The text beneath the image states that "Gallant Girl" is a chestnut roan, winner of many prizes and is the property of Sir Walter Gilbey, Bart.