Obituary, "Death of Colonel W.W. Lang," The Houston Daily Post, 8/9/1900, mailable edition, p. 3. Dallas, Texas, dateline August 8: "Lang died at his home in Oak Cliff yesterday morning at 8:30 o'clock . . . in 1876 he was elected to the State legislature . . . he was born May 15, 1829."
Chronicling America: Historic American Newspapers .