Most of these books are available through InterLibrary Loan from the North Dakota State Library (NDS).
Have your local library order them for you. If the book is not available from the NDS, the library having the book will be noted.
History Books
100 Years of Milnor Memories, 1883-1983
Century of Progress: Forman, ND, 1884-1984
Havana Centennial Book: Where the Dakota Meet, 1883-1983
Rutland's 90th Anniversary, 1882-1972 - available from the University of North Dakota Library
Recollections: Cogswell 1886-1986 - at Valley City Public Library
Sargent County History by Snorri Maruice Thorfinnson, 1976, Sargent County Commissioners
Maps
1909 Atlas of Sargent County - at Wapheton Public Library, no check-out.