Photograph of an unidentified skier partway through a backflip. The photograph may have been taken on Mount Hood. Also see image Nos. 374N0540 and 374N0542.

Close-up portrait of a smiling man with no shirt. The man is unidentified; he may be a boxer or wrestler.

Portrait of an unidentified man posing with a lacrosse stick. He is looking to the left and is wearing a jersey, shorts, gloves, and sneakers. The number 12 is written on the negative and is visible in the upper right corner of the image.

Portrait of an unidentified man looking to the left and holding a lacrosse stick. He is standing on what may be a rooftop or balcony and is wearing a jersey, shorts, gloves, and sneakers. The number 14 is written on the negative and is faintly visible in the upper right corner of the image.

Portrait of an unidentified man with a lacrosse stick. He is standing on what may be a rooftop or balcony and is wearing a jersey, shorts, gloves, and sneakers. The number 16 is written on the negative and is visible in the upper right corner of the image.

Portrait of an unidentified man holding a lacrosse stick. He is standing on what may be a rooftop or balcony and is wearing a jersey, shorts, gloves, and sneakers.

Portrait of an unidentified man holding a lacrosse stick. He is standing on what may be a rooftop or balcony and is wearing a jersey, shorts, gloves, and sneakers.

Close-up portrait of an unidentified man facing front and smiling. He is shirtless and may be a boxer or wrestler. Image note: Light leak on negative. Damage at top edge.

Full-length portrait of a man posing in a wrestling stance. He is standing on what may be a rooftop or balcony and is facing to the right. He has a mustache and is wearing wrestling shorts and shoes. The name “Walter Sirois” is written on the negative and is visible at the top of the photograph. Image note: Photograph quality is poor due to extensive deterioration of the negative.

Full-length portrait of a man posing in a lunging position. He is standing on what may be a rooftop or balcony and is facing to the right. He has a mustache and is wearing wrestling shorts and shoes. The name “Walter Sirois” is written on the negative and is faintly visible at the top of the photograph. Image note: Photograph shows marks and distortion due to deterioration of the negative.

Head and shoulders portrait of a man facing front. He has a mustache and is shirtless. The name “Walter Sirois” is written on the negative and is visible at the top of the photograph. Image note: Photograph shows marks and distortion due to deterioration of the negative.

Full-length portrait of a man posing in a wrestling stance. He is standing on what may be a rooftop or balcony and is facing to the right. He is shirtless and is wearing wrestling shorts and shoes. The name “Herman Olson” is written on the negative and is visible at the top of the image.

Full-length portrait of a man with his arms crossed. He is standing on what may be a rooftop or balcony. He is shirtless and is wearing wrestling shorts and shoes. The name “Herman Olson” is written on the negative and is visible at the top of the image.

Head and shoulders portrait of a man without a shirt. The name “Herman Olson” is written on the negative and is visible at the top of the photograph. Image note: Damaged negative.

Three-quarters portrait of a man posing in a wrestling stance. He is shirtless and is wearing wrestling shorts. The name “Jack Mitchell” is written on the negative and is visible at the bottom of the image. See related image Nos. 371N1272, 372A0401, 372A0402, and 372A0403.

Full-length portrait of a man standing in front of a screen and posing in a wrestling stance. He is shirtless and is wearing wrestling shorts and shoes. The name “Jack Mitchell” is written on the negative and is visible on the left side of the image. See related image Nos. 371N1272, 372A0401, 372A0402, and 372A0404.

Half-length portrait of a seated man turned partly to the left and looking at the camera. He is shirtless and is wearing wrestling shorts. The name “Jack Mitchell” is written on the negative and is visible at the bottom of the image. See related image Nos. 371N1272, 372A0401, 372A0403, and 372A0404.

Half-length portrait of a man posing in a wrestling stance. He is shirtless and is wearing shorts. The name “Jack Mitchell” is written on the negative and is visible at the bottom of the image. See related image Nos. 371N1272, 372A0402, 372A0403, and 372A0404.

Head and shoulders portrait of a man wearing a sleeveless shirt. On the front of the shirt is the winged “M” logo of the Multnomah Amateur Athletic Club (now known as the Multnomah Athletic Club). The name “Merryman” is written on the negative and is visible at the bottom of the image.

Portrait of an unidentified shirtless man standing on what may be a rooftop or balcony. He is smiling and is wearing a wrestling belt and shorts.

Portrait of an unidentified man standing on what may be a rooftop or balcony. He is shirtless and is wearing a wrestling belt, wrestling shorts, and leggings.

Photograph of a picture of an unidentified man holding a steer in a headlock. The man is shirtless and is wearing leggings. The background of the original picture has been masked out.

Photograph of three unidentified male wrestlers. The wrestler in the center is holding the wrestler on the right in a headlock as the wrestler on the left watches. Also see image No. 371N4963 and 371N4974.

Photograph of two unidentified men wrestling. The wrestler on the left is holding the wrestler on the right in a headlock. Also see image No. 371N4963 and 371N4975.

Photograph of two unidentified young men wrestling, with arms locked, on the sidewalk outside a building. Both are shirtless and wearing shorts. The shorts of the wrestler on the right have the emblem of the Multnomah Amateur Athletic Club (now the Multnomah Athletic Club) on one leg. Image note: Photograph shows discoloration due to deterioration of the negative.

Photograph of two unidentified wrestlers. The wrestler in front is holding the other wrestler in a headlock. The number 3 is written on the negative. Image note: The background of the photograph has been masked out.

Photograph of two unidentified wrestlers. The wrestler on the right is grabbing the wrestler on the left around the chest from above. The number 3 is written on the negative. Image note: The background of the photograph has been masked out.

Photograph of two unidentified wrestlers on what may be a rooftop or balcony. The wrestler on the left has a headlock on the wrestler on the right, who is upside down with his legs in the air and his hands on the other wrestler’s waist.