Photograph of a herd of Dartmoor ponies on the moorlands of Devon, England in the early 20th century.

Photograph of a Dartmoor pony standing in a field in the early 20th century.

Photograph of the first prize tandem team - "Teuf-Teuf" and "Puff-Puff" who were the property of James Hamilton, Aldersyde, Uddingston, N.B. This tandem team won first prize in the under 14.2 and in the double-harness at the Royal Dublin Horse Show in 1902.

This photograph likely dates from around the time of The Penycuik Experiments, although the image does not appear in that work. The card mount is marked 'Charles Reid, Gloucester' and bears signs of having been glued to another surface.

Photograph of James Cossar Ewart standing with Romulus, the zebra/horse hybrid, on the lawn behind a house in the late 19th or early 20th century.

Photograph of the Arab horse, "Waiting", standing next to a bridge and lake on a farm in the early 20th century.