Raba, Ernst Wilhelm, 1874-1951. [Dullnig Building], photograph, Date Unknown; (https://texashistory.unt.edu/ark:/67531/metapth460129/m1/1/: accessed May 28, 2020), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting San Antonio Conservation Society. Photograph taken May 18, 2020 standing almost in the same location. What happened here?  Well, I'm not sure but I'm going to find out and will post in Doorway Into the Past.