Merrill, Robert H., 1881-1955, “Uxmal: Maya ruins,” Digital Collections, accessed December 5, 2025, https://digitalcollections.library.gvsu.edu/document/50034.
Black and white photograph postcard of a stone structure from above with three walls visible. Another stone structure is visible in the distance and is labeled "Ruin" on the photograph. Another label on the image reads "Aguada Tree."