Photograph of nine unidentified people mounted on horses standing in a row in a field.

Photograph of an unidentified boy sitting on a pony. Standing next to the pony are three unidentified men, all wearing suits and ties. Another boy is visible in the background, also standing next to the pony. The men at left and right are also pictured in image No. 4937.

Photograph of two unidentified men on horseback in a field.

Photograph of four unidentified riders on horses jumping over a large pile of grass in a field.

Photograph of a horse and unidentified rider jumping over a log fence, probably on a course.

Photograph of a horse and unidentified rider jumping over a large pile of grass.

Photograph of a horse on a gravel road, harnessed to a sulky.

Photograph of six unidentified people mounted on horses standing in a row in a field.

Photograph of a picture of an unidentified woman riding a trotting horse. Text that may be a name is written at the bottom of the original picture, but is only partially visible in the image.

Photograph of three horses and unidentified riders jumping over a log fence in a field. A fourth horse and rider are approaching behind them. Image note: Photograph shows discoloration due to deterioration of the negative.

Photograph of a group of horses and unidentified riders jumping over a large pile of grass in a field. Image note: Negative damage is visible at the bottom of the image.

Photograph of a horse and unidentified rider jumping over a fence. The text “6 —“ is written on the negative and is faintly visible in the lower right corner of the photograph. Image note: Image quality is poor due to deterioration of the negative.

Photograph, taken from the side, of an unidentified man driving a horse-drawn sulky on a gravel road near a building. Image note: Negative damage in upper right corner.

Photograph of an unidentified circus performer upside down on a horse in a ring. Spectators are watching from stands in the background.

Photograph of a photograph. The original picture shows four unidentified Native American people with a horse hitched to a drag sled. A child appears to be riding on the drag sled. Image note: Photograph shows discoloration due to deterioration of the negative.

Photograph, taken indoors, showing a man standing next to a horse and holding the horse’s reins. The man may be B. C. Tremaine of Los Angeles and the horse is Sky Crown. The photograph was probably taken at the 1938 Pacific International Livestock Exposition in Portland. A photograph of the same man and horse, image No. 374N1184, probably taken on a different day than this image, was published in the Oregon Journal on Saturday, October 8, 1938. Also see related image No. 375A0010, which was probably taken at the same time as this photograph.

Photograph showing several people leading horses off of a CRI&P railway car. CRI&P refers to the Chicago, Rock Island & Pacific Railroad. The railroad car is labeled "Rock Island." Several people stand or sit on the side of the track, watching the horses come off the train. Handwriting on the front of the print reads, "Clark." The photograph was likely taken by F. Melvin Clark.

Photograph, taken indoors and from the side, showing a bridled horse from the neck up. The number 1 is written on the negative and is visible in the lower right corner of the image. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland.

Photograph, taken indoors, showing a bridled horse from the neck up. A mark that may be the number 4 is written on the negative and is visible in the lower right corner of the image. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland.

Photograph showing three horses standing in a row in a field, and facing front. Next to each horse is an unidentified man holding the horse’s lead rope or halter. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland.

Half-length portrait of an unidentified man standing next to a stall and holding the halter of a horse that is looking over the stall door. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland.

Half-length portrait, taken indoors, of an unidentified woman standing next to a horse. The woman is looking at the horse and holding its reins. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland. See related image No. 375A0020.

Full-length portrait of two unidentified men outside a building, each holding the halter or lead rope of a Percheron. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland. The text “Rubys [sic] Percherons” is written on the negative and is visible at the bottom of the image. See related image No. 375A0011.

Photograph showing a crowd of people, many of them children, watching a costumed performer direct a pony wearing a decorative harness. A Christmas tree and a “Merry Christmas” sign are visible in the background. The photograph may have been taken during a Portland Breakfast Club Christmas event. Also see images that may be from the same or a similar event: Nos. 372A0122, 372A0248, 372A0394, 372A0700, 372A0701, 372A0702, 372A0703, 372A0705, and 372A0706.

Photograph, taken indoors, showing a bridled horse from the neck up. An unidentified person outside the frame is holding the horse’s reins.The number 3 is written on the negative and is visible in the lower right corner of the image. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland.

Full-length portrait, taken from the front, showing a teenage boy and girl on horseback, facing slightly left. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland.

Photograph showing an unidentified man on horseback as the horse clears a fence, probably on a show-jumping course. The photograph may have been taken at the annual Pacific International Livestock Exposition in Portland. See related image Nos. 375A0008 and 374N1179.

Photograph showing an unidentified man on horseback as the horse clears a fence, probably on a show-jumping course. The photograph may have been taken at the annual Pacific International Livestock Exposition in Portland. See related image Nos. 375A0007 and 374N1179.