Internet History Sourcebooks Project
Fordham University: Medieval Sourcebook: Grant of a Market at Bremen
Fordham's Medieval Sourcebook contains the text of a decree providing minting rights and protection, issued by Holy Roman Emperor Otto I to the merchants of Bremen, 965 A.D..
Wikimedia
Wikipedia: Otto I, Holy Roman Emperor
This encyclopedia from Wikipedia provides an extensive biography of Otto I (912-973 CE), Holy Roman Emperor. This site also includes links to additional information on related subjects.
Library of Congress
Loc: The Saxon Dynasty 919 1024
This site from The Library of Congress describes the period of the Saxon dynasty in the 10th century and the founding of the Holy Roman Empire under Otto I. The article is medium in length, and provides worthwhile information on the...
Mother Earth Travel
Mother Earth Travel: History of Germany
Travel site provides overview of the history of Germany through text from early history to 1945.