Photograph of a yearling calf making a side run after being cut out of round-up and being chased by three cowboys on the Plains in the early 20th century.

Photograph of a group of men, cowboys, sitting in front of a couple of mess or chuck wagons with plates of food and cups of coffee eating dinner on the plains in the early 20th century.

Photograph of an encampment of Apache indians with several men and women standing in front of their teepees in a wooded clearing in the American Southwest in the early 20th century.

Photograph of a group of men sitting around a campfire and standing around a mess wagon on the plains of a Western ranch outfit in the early 20th century.

Photograph of cowboys rounding up and branding a herd of cattle in the Plains [USA?] in the early 20th century.

Photograph of a small group of cowboys sitting beneath a tree eating supper with a mess, or chuck, wagon and camp fire in the background in the early 20th century.

Illustration of an American bison or buffalo (Bison americanus) by Specht in the 19th century. It shows a buffalo standing upon a rock above a snake ready to strike with a herd of buffalo in the background. The name 'Wallace' was handwritten on the slide.

An announcement of a soon-to-be-published 'cowboy novel' called, 'Blue Pete: Half-Breed' by British author, Luke Allan and includes an illustration of a cowboy riding a galloping horse in the early 20th century.

Photograph of several men standing next to a windmill in front of a water tank used for watering cattle on a ranch in [the American Southwest?] in the early 20th century.