Walter Thalheimer, Ulrich Thalheimer, George H. N. Luhrs Jr., Emma Luhrs, Emma Thalheimer, George H. N. Luhrs, Catharina Luhrs, Mrs. Joseph Thalheimer, Joseph Thalheimer, Mr. Dummel, Mrs. Dummel, and Eva Luke at Hole in the Rock; Phoenix, Arizona

Walter Thalheimer, Ulrich Thalheimer, George H. N. Luhrs Jr., Emma Luhrs, Emma Thalheimer, George H. N. Luhrs, Catharina Luhrs, Mrs. Joseph Thalheimer, Joseph Thalheimer, Mr. Dummel, Mrs. Dummel, and Eva Luke at Hole in the Rock; Phoenix, Arizona, CP_LFPC_216. Greater Arizona Collection. https://aspace.lib.asu.edu/repositories/2/digital_objects/8354 Accessed June 26, 2026.