Curated OER
Etc: Roanoke Island, Jamestown, and St. Mary's, 1584 1632
A map of the Chesapeake Bay and Pamlico Sound area showing the initial Virginia Colony established by Sir Walter Raleigh and Queen Elizabeth I in 1584 through the European settlements established by 1634, including Roanoke Island,...
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Hermann Von Helmholtz
Hermann Ludwig Ferdinand von Helmholtz (August 31, 1821 - September 8, 1894) was a German physician and physicist who made significant contributions to several widely varied areas of modern science. In physiology and physiological...