Photograph of a small dog on a leash held by an unidentified person. The photograph was likely taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph of a small dog on a leash. The photograph was likely taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph, taken from the side, of a small dog on a leash. The photograph was likely taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph of a small dog standing at the edge of a wooden walkway. The photograph was likely taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph, taken from the side, of a small dog on a leash. The dog is standing on a wooden walkway near a building. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph, taken from the side, of a small dog on a leash held by an unidentified person. The dog and person are standing on a wooden walkway near a building. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph of a small dog on a leash held by an unidentified person. The dog and person are standing on a wooden walkway near a building. The photograph was likely taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph, taken from the side, of a dachshund on a leash held by an unidentified person. The photograph was likely taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931. Image note: Photograph shows blue discoloration due to deterioration of the negative.

Photograph, taken from the side, of a dachshund on a leash held by an unidentified person. The photograph was likely taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph of three unidentified young women posing with a dog. They are standing on a wooden walkway near a building. The women are wearing matching jackets and skirts. The photograph was probably taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph of a dog standing between the legs of an unidentified person holding the dog’s leash. The photograph was likely taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph, taken from the side, of a dog holding a pose as an unidentified man holds the tip of the dog’s tail. The photograph may have been taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph of a small dog on a leash. The photograph may have been taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph of an unidentified woman crouching next to a bulldog and holding its head in her hands. The photograph may have been taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph of a small dog on a leash held by an unidentified person partially outside the frame. The photograph may have been taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph of an unidentified woman sitting in a chair and holding a dog in her lap. The photograph may have been taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph of an unidentified young girl standing next to a dog. An unidentified woman, partially outside the frame, is holding the dog’s leash. The photograph may have been taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph of a small dog on a leash held by an unidentified person outside the frame. The photograph may have been taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph of a small dog on a leash held by an unidentified person outside the frame. The text “Step + Fetchit” is written on the negative and is visible on the left side of the image. The photograph may have been taken at the annual Pacific International Livestock Exposition in Portland. The exposition began to include a dog show in 1931.

Photograph of a small dog and a calf in a pen. The dog is holding the calf’s lead rope in its mouth. The photograph was likely taken at the annual Pacific International Livestock Exposition in Portland.

Photograph of a small group of people with dogs on leashes. They are standing on Market Street outside the Municipal Auditorium (now Keller Auditorium) in Portland. More people and dogs are visible in the background.

Photograph of an unidentified woman standing with a dog and holding the dog’s leash. She is standing on Market Street outside the Municipal Auditorium (now Keller Auditorium) in Portland. More people with dogs are visible in the background. Image note: Image quality is poor due to deterioration of the negative.

An 11-week-old Yorkshire Terrier puppy peeks its head out of a teacup. Its 2 front paws are on the rim of the tea cup. The puppy belongs to Mrs. E. Adames, who lives in SE Portland, Oregon (negative 2 of 4)

A group of children watch a dog playing tetherball at Grant Park in Portland, Oregon. The dog is in the foreground, standing on his hind legs below the ball and turned away from the camera. The group of children are in the background, facing the camera. The caption on the negative sleeve reads, "Dog playing tether ball (sic) at Grant Park - Royal J. Clare, Judy Clare, "Tinker" (negative 1 of 6).

A young woman holding a toy poodle during a Holy Family Mothers Club event. The woman is wearing a dirndl and is seated with the dog in her lap. The dog is wearing a large tulle-ruffle collar (negative 1 of 4).

Muggs, a boxer guard dog who was blinded by a shotgun blast during a robbery at Cy's Tavern in Southeast Portland receiving a plaque recognizing his valor from the Oregon Boxer Club. Muggs is being held on a leash by his owner, Mrs. John Plaisted. An unidentified man supports a young boy holding a plaque. The boy is the Plaisted's blind son who is now the dog's companion (negative 4 of 6).

Four puppies look over the edge of their cage at the Oregon Humane Society. A 5th puppy lies in the cage behind them. The caption on the negative sleeve reads, "Cats and dogs to be given away by Oregon Humane Society" (negative 3 of 4).

Two-year-old Larry Mills sits on the ground next to his black dog named Mutt. They sit on a rug in front of a sofa. A doll lies on the ground near Mills. The caption on the negative sleeve reads, "Larry Mills, age 2, and dog, Mutt, who went along when Larry wandered from home at 1223 N.E. Killingsworth at 5am - dog's license tag provided clue to boys identity" (negative 2 of 3).