Harvard College Observatory Harvard College Observatory The Harvard College Observatory (HCO) is an institution managing a complex of buildings and multiple instruments used for astronomical research by the Harvard University Department of Astronomy. It is located in Cambridge, Massachusetts, USA, and was founded in 1839. With the Smithsonian Astrophysical Observatory, it forms part of the Harvard–Smithsonian Center for Astrophysics. HCO houses a collection of approximately 500,000 astronomical plates taken between the mid-1880s and 1989 (with a gap from 1953–68). This 100-year coverage is a unique resource for studying temporal variations in the universe. The Digital Access to a Sky Century @ Harvard project
Dickinson State University Roosevelt Digital Library which has formed partnerships with the Library of Congress and Harvard University, among other institutions. They currently have over 25,000 items online. Dickinson State University Dickinson State University (DSU) is a public university in Dickinson, North Dakota. It is part of the North Dakota University System. It was founded in 1918 as Dickinson State Normal School and granted full university status in 1987. Dickinson State was established as a normal school to fill a need for qualified teachers in rural western North Dakota, where fewer than one-quarter of the people working as teachers in the early 1900s