Photograph of two unidentified cavalry soldiers standing next to what appears to be a tent or barrack and looking over their shoulders towards the camera.

Photograph of Frank S. Clarkson posing with one hand on his hip and holding a pistol in the other. He is standing on a beach the ocean visible in the background on the right. There is a handwritten note under the photograph that reads "Frank S. Clarkson."

Photograph of an older woman sitting on a stool and playing an upright piano while another woman stands on the right and watches. There is sheet music on the piano and on a photograph of a man is visible on the wall behind it.

Photograph of unidentified cavalry soldiers posing in a line in front of a small creek with a tree visible in the background. Three men on the far left are behind the creek, one man on the left is straddling the creek, the others are on the other bank in front of the creek, and one man on the far right is standing in the water. In the middle there are several benches in front of the men with gear on top of them.

Postcard of a large group of cavalry soldiers on horseback in a field at Fort Sam Houston with two two-story buildings visible in the background. Several of the men in the center are holding tubas, trombones, and other musical instruments and on the front of the postcard a type-written text reads "Last Day at Ft. Sam Houston. April, 16th 1920."

Photograph of six unidentified cavalry soldiers sitting and standing in a semicircle inside a tent. One man on the right is standing and holding a pole, another man is standing in the back, and the other men are posing sitting in chairs or kneeling on the ground.

Postcard of a black man on a donkey pulled cart with a barrel on the back. Text on the front of the postcard reads "The Water Peddler on the Mexican Border".

Photograph of a large group of cavalry soldiers on horseback riding on a dirt road with trees and shrubs visible in the background. On the left a soldier in the front is holding an American flag and on the far right two soldiers are riding apart from the group. On the front of the photograph a text reads "Returning to quarters after inspection. 'B' troop 1st Col. Cav."

Photograph of several unidentified cavalry soldiers lifting and moving what appears to be a wooden barrack in a field with a house partially visible in the background.

Photograph of several unidentified cavalry soldiers in a field with large billows of smoke coming off of it. The men appear to be walking away from the smoke and some trees are visible in the distant bakground.

Photograph of Miss Paul Hill, an older woman wearing a light colored dress holding a book and standing in the Memorial Library in front of a large bookcase with a plaque that reads "Paul Hill Texana Collection."

Photograph of an unidentified woman wearing a light-colored blouse, skirt, and hat standing next to a man wearing a suit, dark tie, and a hat. They appear to be standing on a dock in front of a large body of water.

Postcard of cavalry soldiers driving covered wagons pulled by horses down a dirt road with shrubbery on the left and right and telephone poles visible on the left. On the front of the postcard a hand-written text reads "Pulling out from Pearsall. April 18, 1920."

Photograph of an unidentified man standing on a large steamboat in a field. On the right the boat has a large smokestack and a label reading "Santiago." In the foreground shrubbery and some scaffolding can be seen and in the background a large building is partially visible.

Photograph of two unidentified cavalry soldiers standing in a field wearing dark bands on their left arms and holding what appear to be sabers. Behind them a large tent and a tree are visible in the background.

Photograph of a field with three rows of tents with houses and other buildings visible in the background. In the foreground on the right is large tree and in the middle soldiers can be seen sitting and standing in several small groups.

Photograph of a row of four barracks in an empty field with a fence visible in the background on the right. The image is somewhat blurred and there appears to be some damage on the bottom.

Photograph of three unidentified young cavalry soldiers standing in a field in front of a row of tents. The man in the center is much taller than the other two men and is posing with his arms stretched out above their heads. A vehicle and trees are visible in the distant background.

Postcard of several cavalry soldiers on horseback on a dirt road riding away from the camera. Above them an airplane is flying towards the viewer and there are shrubs visible on both sides of the road and a telephone pole in the background. A hand-written text on the front of the postcard reads "Bringing the Mail to the 14th Cavalry on the Hike."

Photograph of several unidentified cavalry soldiers standing by a small stream. In the foreground on the left four men are standing next to a log cabin and across the stream on the right are two tents that have been taken down. In the background on the left a row of tents and some trees are visible and on the right two men on horseback can be seen.

Postcard of a long line of soldiers on horseback in a field with shrubs and trees visible on the left. A text on the front of the postcard reads "Leaving Encinal April 21, 1920. 119 Miles from San Antonio."

Postcard of two unidentified men wearing light-colored undershirts cooking in a field. The man on the right is holding a ladle and standing next to a stove. Above him is a handwritten speech bubble that reads "Come and get it." The man on his left is kneeling over a grill and behind him several other men are standing and sitting in a large tent. In the background several trees and two trash cans are visible.

Photograph of an unidentified young cavalry soldier wearing a hat and a pistol in a holster standing in a field. Behind him a small structure and trees are faintly visible in the background.

Photograph of the U.S. Army border peacekeepers with tents behind them. There is text included with the photograph that reads "U.S. Army troops, first feared to be a treat to law and order by turn-of-the-century Valleyites, were soon accepted as legitimate peacekeepers by the establishment. The troops became a vital part of the Valley's social and economic life.