found: Wagner, Henry R. Irish economics, 1907, via Archive.org, May 3, 2017:preliminary page 3 (introduction signed: Henry R. Wagner)
found: Wagner, Henry R. The Plains & the Rockies, 1982:title page (Henry R. Wagner) page vii ("In 1917, after twenty-seven years as an official of the American Smelting and Refining Company and as a representative and troubleshooter for the Guggenheim Brothers' mining interests in Latin America, Henry Raup Wagner ... retired ... bought a house in Berkeley ... and embarked on a career of four decades as a bibliographer and historian"; by 1935, "Wagner had sold his Western Americana to the Huntington Library, and had moved to San Marino")
found: Nueva bibliografía mexicana del siglo xvi, 1946:t.p. (Enrique R. Wagner)
found: Who was who in America, v. 3, 1951-1960, via Marquis Who's Who on the Web, May 3, 2017(Henry Raup Wagner; occupation: historian; born Philadelphia, Sept. 27, 1862; died Mar. 28, 1957; home: 1135 Winston Av., San Marino, Cal.)
found: New York Times, March 29, 1957, via ProQuest, May 3, 2017(headline: "Henry R. Wagner, historian, was 94; bibliographer and authority on western explorations dies; ex-mining engineer"; body of text: "Los Angeles, March 28. Dr. Henry Raup Wagner ... died today at his suburban San Marino home ... Born in Philadelphia on Sept. 27, 1862, Dr. Wagner received an A.B. degree from Yale in 1864 ... Dr. Wagner was a fellow of the Royal Geographic Society, the Zamorano Club ... and the Sunset Club")
found: Spanish Wikipedia, May 3, 2017(article title: Henry R. Wagner; text of article: Henry Raup Wagner, born Philadelphia, Sept. 27, 1862, died 1957; U.S. bibliographer, cartographer and historian) - https://es.wikipedia.org/wiki/Henry_R._Wagner found: OCLC, May 3, 2017(usage most commonly found: Henry R. Wagner; rarely H.R. Wagner, Henry Raup Wagner)
