Arthur Amiotte is an Oglala Lakota artist from the Pine Ridge Indian Reservation. Since the mid-1960s, he has taught in public schools, universities, and American Indian colleges, and he also serves as an art historian, lecturer, consultant, and arts judge. Influenced by Oscar Howe in his early career, Amiotte began working with collages in 1988, using the muslin and ledger-book traditions of his ancestors and focusing on the period between 1880 and 1930. He now works full-time as an artist, living in Custer, South Dakota, with his wife, Janette K. Murray. Louis S. Warren is W. Turrentine Jackson Professor of Western United States History at the University of California, Davis, where he teaches environmental history and the history of the American West. Janet Catherine Berlo is Professor of Visual and Cultural Studies at the University of Rochester and has also taught Native American art history as a visiting professor at Harvard, Yale, and the University of California, Los Angeles.