* Unruh, John D., Jr. ''The Plains Across: The Overland Emigrants and the Trans-Mississippi West, 1840-1860.'' (1979), the outstanding scholarly history. [http://books.google.com/books?id=hM2_IXMY3jQC&printsec=frontcover&dq=intitle:The+intitle:Plains+intitle:Across+intitle:The+intitle:Overland+intitle:Emigrants&lr=&num=30&as_brr=0 excerpt and text search] | * Unruh, John D., Jr. ''The Plains Across: The Overland Emigrants and the Trans-Mississippi West, 1840-1860.'' (1979), the outstanding scholarly history. [http://books.google.com/books?id=hM2_IXMY3jQC&printsec=frontcover&dq=intitle:The+intitle:Plains+intitle:Across+intitle:The+intitle:Overland+intitle:Emigrants&lr=&num=30&as_brr=0 excerpt and text search] |