Photograph of the Pecos River from above. A handwritten note on the back of the photograph says, "From the Pecos High Bridge - Sunset Route - 4/10/13 - Ht. 320 ft."

Photograph of a family in a car. A handwritten note on the back of the photograph says, "Fritz Bohn + Family and the Caldwells."

Photograph of a bullfight in Juarez, Mexico. The crowd watches from their shaded balcony as the matadors enter the ring. Inscription on the back reads "Torrodors [sic] and Picadors entering the Bull Ring."

Photograph of Children Day Parade at Galveston. The parade is made up of girls with baby carriages. Crowds of adults are on the sidewalks on either side of the parade route. The ocean is visible in the background.

Photograph of a railroad with the foot of a cliff to the left and a river to the right. Utility lines run above and to the right of the railroad. A handwritten note on the back of the photograph says, "Sunset Route."

Photograph of a couple standing by a car. The man at the front of a picture is holding a car jack, attempting to fix a flat tire. The caption on the back reads "Bob got a puncture in route to Galveston from Austin 7/17/13 just before arriving at Giddings."

Photograph of a hotel in Lobo, Texas. A water tower is visible to the left of the building. Inscription on the back reads "$100,000 hotel, Lobo, Texas, S.P.R.R. 2-8-15, taken from train, only building in Lobo."

Photograph of a crowd of men, with some on horseback. A note on the back of the photograph describes the situation as, "Gen. Carranza entering Juarez, Mex. at the head of his troops 3-29-14. Gen. C. lifting his hat, notice the cheering crowds of Mexicans."

Photograph of a line of biplanes with a large crowd of observers in the background. The field is near St. Edward's University in south Austin.

Photograph of a family in front of a mission in San Antonio, Texas. Weeds and trees grow from the adobe walls.

Photograph of a crowd of observers around a car of a train that looks derailed. Steam is billowing from the locomotive's engine.

Photograph of the Palace of the Governor in Santa Fe, New Mexico. It is a long, single-story building with a shaded walkway along the street. A handwritten note on the back of the photograph reads, "The old Palace of the Governor, oldest Govt. Bldg. in U.S. Built about 1600, occupied by all Governors up to 1890. In this bldg. Gov. Lew Wallace wrote a portion of Ben Hur. This building is now the property of the American School of Archaeology - 4-27-13."

Photograph of an elevated railroad leading up to a distant bridge. A handwritten note on the back of the photograph says, "Pecos High Bridge - 320 ft."

Photograph of the Campbell Family and Caldwell Family at Mount Bonnell (Lover's Leap) in Austin. The Colorado River is visible in the distance.

Photograph of a line of troops on horseback near a railroad line. A handwritten note on the back of the photograph says, "Spofford Junction - 4/8/13 - 14 Cav. Troops leaving for Brownsville, Tex. via R.R."

Photograph of a matador delivering the killing blow in a bullfight. A handwritten note on the back of the photograph reads, "Bull charging to his death against the sword."

Photograph of a crowd of men, women, and children observing a line of biplanes. They are in a field near St. Edward's University in south Austin.

Group portrait of a class of elementary students at Wooldridge School in Austin. A note on the back of the photograph indicates that the boy in the back row, ninth from left is John Barry Caldwell at 9 years old.

Photograph of the "horse shoe curve" in the S.P.R.R. (Southern Pacific Railroad), where the tracks make a U-turn. The photograph was likely taken from the front or rear end of a moving train.

Photograph of a car race at Galveston Beach. Two cars are visible behind the spectators. The inscription on the back reads "L. Disbrow in his 290 HB 'JIC' attempts to lower record for beach comer."

Photograph of the Austin Trade Excursion in Georgetown. Men in suits are gathered at a street intersection in the town. Some cars are visible in the street.

Photograph of the refugee camp at Fort Bliss, El Paso. Patrolmen are seen on duty outside of a fenced off camp with rows of tents. A sign on a pole advertises "Horas de visita" Inscription on the back reads "Refugee Camp where 600 Mexican Federal Soldiers are kept."

Photograph of the historic Presidio La Bahía from outside of its walls. A dirt road winds past the mission on the left.

Photograph of ten Texas Rangers, nine on horseback, and one on foot to the right. A handwritten note on the back of the photograph says, "A. J. Sowell with the + mark over head. Taken at Laredo while in the Ranger service under Capt. J. J. Sanders, 1911. Capt Sanders on right with chimney in back where + is marked."