Postcard of men standing near an early airplane. A note below the photo says: "Aviation, Camp MacArthur. Waco, Texas."

Postcard of men standing and sitting in rows in front of a wooden building. A note below the photo says: "Army Y. M. C. A., Camp MacArthur. Waco, Texas."

Postcard of men in military uniforms loading a cannon. A note below the photo says: "Artillery, Camp MacArthur. Waco, Texas"

Postcard of students from Atchison School in Hillsboro, Texas posing outside of the school building.

Postcard of large, interconnected buildings. A printed note under the photo describes it: "Base hospital, Camp MacArthur, Waco, Texas."

Postcard of a row of interconnected buildings. A note below the photo says: "Base Hospital, Camp MacArthur. Waco, Texas."

Postcard of a river, taken from a rocky hill nearby. A printed note under the photo describes it: "Brazos River, near Camp MacArthur, Waco, Texas."

Postcard of an aerial view of drill fields at Camp MacArthur with soldiers on them and the rest of the camp in the distance. A note on the front of the postcard says: "Section F Camp MacArthur Waco, Texas."

Postcard of a building with an American flag in front of it. A note below the photo says: "Headquarters, Camp MacArthur. Waco, Texas."

Postcard of a row of buildings next to a dirt road, with a single man marching and holding a rifle. A note on the front of the postcard says: "Section F Camp MacArthur Waco, Texas." A handwritten note on the back of the postcard says: "Each one of these buildings you see is a mess hall. There is a string of tents in back of each one of these where a hundred and fifty-four men or a full squadron stay. We are in a line like this. There are sixty squadrons in this section I believe. The artillery camp is just to the north."

Postcard of thirteen men in military uniforms, five sitting down and eight standing behind them. A printed note under the photo describes it: "The officers at headquarters Camp MacArthur, Waco, Texas."

Postcard of thirteen men in military uniforms, with five sitting down and the other eight standing behind. A note below the photo says: "The officers at headquarters, Camp MacArthur. Waco, Texas."

Postcard of a line of men wearing military uniforms and sitting on horses. A note below the photo says: "Cavalry, Camp MacArthur, Waco, Texas."

Postcard of four men on horses, with the middle two holding an American flag and another unidentifiable flag. A note below the photo says: "Regimental Colors, Camp MacArthur. Waco, Texas."

Postcard of two women and a man standing outside of a house with two dogs sitting in front of them. A handwritten note on the front of the postcard says: "N. B. Here is something to keep the crows away. Where my roses were in bloom. " A handwritten message on the back from Cora Stone to Miss Vonnie Moseley reads: "Your letter received and was glad to hear from you. Am sending you in today's mail the waist pattern, also my skirt pattern. All well except colds. Pa thinks of going to Carroe (or Conroe?) this week, if so will go to see you all. Will write later. Yours, C. S. (Cora Stone is written in ink on a later date)" The postcard is addressed to Miss Vonnie Moseley, Mount Sylvan, Texas, Route 1.

Postcard of a man sitting on a horse-drawn wagon on a dirt road, with soldiers marching in formation with rifles in the background. A note on the front of the postcard says: "Section 'B' Camp MacArthur Waco, Texas."

Postcard of a building near railroad tracks with people standing on its porch. A note on the front of the postcard describes it: "McAllen, Tex. Ice House." A handwritten note on the back of the postcard, addressed to Mrs. Amelia Rinkle in St. Louis, Missouri, says, "Best regards from Lon and Florence."

Postcard of a building with "J. A. Allen" on its sign, four men standing on the front porch, and lumber stacked in a yard next to the building. A handwritten note on the back of the postcard is addressed to Mr. J. T. Walker in Alvord, Texas (Quarles Lumber Co.) and reads: "Hello Mr. Walker, how do you like the looks of papa's new lumber yard? The man that works for papa is not in the picture. Orval."

Postcard of the John E. Quarles Co. Lumber building in Garland, Texas, a two-story building with the store name painted on the top border. Several men and wagons are on the street in front of the building.

Postcard of Mable Blair wearing a dress with a fur collar and a hat. This collection of photographs of African Americans was purchased from an estate in Dallas, Texas.

Postcard of a row of buildings across from a row of tents. A note below the photo says: "Mess Halls, Camp MacArthur. Waco, Texas."

Postcard of Onyx Lawrence as a young girl wearing a white dress, sitting on a chair and leaning on a table.

Postcard of soldiers standing at attention in rows on a field. A note below the photo says: "Regimental Parade, Camp MacArthur. Waco, Texas."

Postcard of soldiers with rifles standing on a field. A note on the front of the postcard says: "A typical scene on the drill field at Camp MacArthur Waco, Texas."