Merrill, Robert H., 1881-1955, “Mule army[?] wagon,” Digital Collections, accessed December 6, 2025, https://digitalcollections.library.gvsu.edu/document/50361.
Black and white photograph of a group of people sitting in a mule-drawn wagon. Three people are standing on the ground behind the wagon. Photograph was taken by Robert Merrill in the Chinese coastal resort area of Beidaihe Qu.