Postcard of the debris after the explosion of Gulf Tanker "Venezuela." The tanker can be seen by the dock in the distance. The caption written on the photograph reads, "Explosion of the Gulf of Venezuela, Pt Arthur, Tex."

Postcard of the doors of the cathedral at Cologne, Germany. In the letter on the back addressed to his sister Leonora, Harris Kempner discusses the British occupation of Germany and the election of Paul von Hindenberg, and asks Leonora "which is cause and which is effect."

Postcard of the Cathedral in Cologne, Germany. Harris Kempner sent the postcard to his sister, Lyda, answering her two previous letters while waiting for his train. He expresses that he is happy to have finally seen the Cathedral because of an "examination paper" he wrote on it in college.

Easter postcard from Birdie to Edna Matlock with an illustration of two blue birds sitting on a twig full of pink flowers; the note below the picture reads: "On Easter Day From bud and brook and bird comes the Easter message Be glad, rejoice, for this is the Resurrection of the year."

Postcard to Mrs. Emil Philippus, discussing arrangements for Mrs. Philippus to meet her mother-in-law at the depot on May 8, 1921. The front of the postcard features a photograph of the Holy Angels Academy in Boerne, Texas, a two-story, light-colored wood building with wrap-around porches on both stories. There is a small tower extending from the center of the roof of the building, and a short flagpole at the front of the roof. There is a large group of students and nuns standing on the first-floor porch and sitting on a few short steps leading up to the porch. There are two large, bare trees on either side of the front steps.

Postcard of a camp at Roma, Texas. In the foreground there is open land and in the background there is a line of horses with buildings behind them. Text on the front reads "Camp at Roma, Texas. April 29, 1920. 262 miles from San Antonio."

Postcard of a group of dark-colored horses standing in a field by a military camp with a row of tents, trees, and a building visible in the background. A handwritten text on the front of the postcard reads "Zapata, Texas. Apr. 27/20. 216 Miles From San Antonio."

Postcard of a large group of horses and cavalry soldiers in a corral at a camp. In the foreground several men are standing next to horses who are drinking from troughs and behind them other soldiers are leading horses away to the other end of the corral. A large pipe is visible in the foreground on the left and trees and more horses can be seen in the background. A handwritten text on the front of the postcard reads "14th and 16th Cavalry Camp at Webb, Tex. April 22, 1920. 138 miles from San Antonio"

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 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."

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."