-
Map of Oregon and upper California from the surveys of John Charles Fremont and other authoritiescartographic materialpor Preuss, Charles, 1803-1854
Publicado 1848 -
Exploring with Frémontthe private diaries of Charles Preuss cartographer for John C Frémont on his first second and fourth expeditions to the Far WestBookpor Preuss, Charles, 1803-1854
Publicado 1958 -
Topographical map of the road from Missouri to Oregon commencing at the mouth of the Kansas in the Missouri River and ending at the mouth of the Wallah Wallah in the Columbiain VII sectionscartographic materialpor Preuss, Charles, 1803-1854
Publicado 1849