Plates with images from “Personal Narrative of Explorations and Incidents in Texas, New Mexico, California, Sonora, & Chihuahua.” Written by John Russell Bartlett and connected with the United States and Mexican boundary commission. Published in 1854. Volume I. Much of it is now southwest Texas.

“Fort Yuma, Colorado River.” Frontispiece. Page 3. Collections of and digitalized by the Missouri Botanical Garden. In the public domain due to age. via https://archive.org/details/mobot31753000247996/page/n3/mode/2up
“Mission of San José, Texas.” Page 42. Collections of and digitalized by the Missouri Botanical Garden. In the public domain due to age. via https://archive.org/details/mobot31753000247996/page/42/mode/2up
“Castle Mountain Pass, Texas.” Page 91. Collections of and digitalized by the Missouri Botanical Garden. In the public domain due to age. via https://archive.org/details/mobot31753000247996/page/91/mode/2up