Abstract Henry Raup Wagner, 1862-1957, was an avid book collector and author. He settled in California with his wife, Blanche Henrietta Collet, circa 1917. In the 1890s, he started collecting books on Spanish history, metallurgy, and mining. He also amassed collections on Ireland, Mexico, and the American West. Wagner died in 1957 March 28. The Henry Raup Wagner Collection includes publications and correspondence by or about Wagner and 19th Century Mexican and Chilean...