1947 catalog Christenson Nursery For more information on historic Irises visit the Historic Iris Preservation Society at http://www.historiciris.org/ Main.Cathy...
1950 catalog Christenson Nursery https://www.biodiversitylibrary.org/item/306936#page/3/mode/1up For more information on historic Irises visit the Historic Iris P...
1950 Fall catalog Christensen https://www.biodiversitylibrary.org/item/307646#page/3/mode/1up For more information on historic Irises visit the Historic Iris Pres...
1951 catalog Christenson https://www.biodiversitylibrary.org/item/309283#page/3/mode/1up For more information on historic Irises visit the Historic Iris Preservat...