This book represents the first issue of the collection “Ancient Sources on the History of Eastern Europe”, dedicated to German monuments. Along with already known materials, it presents sources introduced into Russian science for the first time, which are published partly in full, partly in fragments and are provided with archaeographic, historical and philological commentary, as well as Russian translation. CONTENTS: Introduction (5). Description of cities and regions to north of the Danube, or Bavarian geographer (7). Charter of King Louis of Germany to the Alteich monastery (52). Raffelstetten customs charter (59). Chronicle of Reginon of Prüm with the Trier continuation (101). Thietmar of Merseburg. Chronicle (131). Accepted abbreviations (206). References (212).