• 7 Memorial Library

• 11 Books

• 9 Slavs
• 7 Vicelinus, Saint, Bishop of Oldenburg, -1154
• 6 Henry, Duke of Saxony, 1129-1195
• 2 Middle Ages
• 1 Enslaved persons
• 1 German literature
• 1 Sources

• 3 Tschan, Francis J., 1881-1957
• 2 Lappenberg, J. M. (Johann Martin), 1794-1865
• 2 Schmeidler, Bernhard, 1879-1959
• 1 Heinrich der ıẅer, duke of Saxony, 1129-1195
• 1 Institut istorii (Akademii︠a︡ nauk SSSR)
• 1 Institut slavi︠a︡novedenii︠a︡ (Akademii︠a︡ nauk SSSR)
• 1 Kierkegaard, Poul, 1842-1915
• 1 Laurent, J. C. M. (Johann Christian Moritz), 1810-
• 1 Lefolii, H. H. (Hans Henrik), 1819-1908
• 1 Metelmann, Ernst
• 1 Otto I, Bishop of Freising, -1158
• 1 Razumovskai︠a︡, L. V. (Li︠u︡bovʹ Vi︠a︡cheslavovna)
• 1 Sido, Provost of Neumünster, -1201
• 1 Stoob, Heinz
• 1 Wattenbach, Wilhelm, 1819-1897
• 1 Widukind, of Corvey, approximately 925-approximately 973

• 4 German
• 4 Latin
• 3 English
• 1 Danish
• 1 Russian
• 1 Undetermined

• 7 Denmark
• 7 Lübeck (Germany)
• 6 Holstein
• 2 Lübeck (Principality)

• 2 Chronology
• 1 Sources

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