Leyser 1968, p. 33. Leyser, Karl (December 1968). "The German Aristocracy from the Ninth to the Early Twelfth Century: A Historical and Cultural Sketch". Past & Present (41). Oxford University Press: 25–53. doi:10.1093/past/41.1.25. JSTOR650002.
Freed 1986, p. 569. Freed, John B. (June 1986). "Reflections on the Medieval German Nobility". American Historical Review. 91 (3). Oxford University Press: 553–575. doi:10.2307/1869131. JSTOR1869131.
Ganshof 1939, p. 151. Ganshof, François-Louis (1939). "Benefice and Vassalage in the Age of Charlemagne". Cambridge Historical Journal. 6 (2). Cambridge University Press: 147–175. doi:10.1017/S1474691300003358. JSTOR3020714.
Freed 1987, p. 584. Freed, John B. (July 1987). "Nobles, Ministerials and Knights in the Archdiocese of Salzburg". Speculum. 62 (3). University of Chicago Press: 575–611. doi:10.2307/2846383. JSTOR2846383.
Freed 1987, p. 586. Freed, John B. (July 1987). "Nobles, Ministerials and Knights in the Archdiocese of Salzburg". Speculum. 62 (3). University of Chicago Press: 575–611. doi:10.2307/2846383. JSTOR2846383.
Freed 1987, p. 579. Freed, John B. (July 1987). "Nobles, Ministerials and Knights in the Archdiocese of Salzburg". Speculum. 62 (3). University of Chicago Press: 575–611. doi:10.2307/2846383. JSTOR2846383.
Freed 1986, p. 571. Freed, John B. (June 1986). "Reflections on the Medieval German Nobility". American Historical Review. 91 (3). Oxford University Press: 553–575. doi:10.2307/1869131. JSTOR1869131.
Freed 1987, p. 578. Freed, John B. (July 1987). "Nobles, Ministerials and Knights in the Archdiocese of Salzburg". Speculum. 62 (3). University of Chicago Press: 575–611. doi:10.2307/2846383. JSTOR2846383.
jstor.org
Leyser 1968, p. 33. Leyser, Karl (December 1968). "The German Aristocracy from the Ninth to the Early Twelfth Century: A Historical and Cultural Sketch". Past & Present (41). Oxford University Press: 25–53. doi:10.1093/past/41.1.25. JSTOR650002.
Freed 1986, p. 569. Freed, John B. (June 1986). "Reflections on the Medieval German Nobility". American Historical Review. 91 (3). Oxford University Press: 553–575. doi:10.2307/1869131. JSTOR1869131.
Ganshof 1939, p. 151. Ganshof, François-Louis (1939). "Benefice and Vassalage in the Age of Charlemagne". Cambridge Historical Journal. 6 (2). Cambridge University Press: 147–175. doi:10.1017/S1474691300003358. JSTOR3020714.
Freed 1987, p. 584. Freed, John B. (July 1987). "Nobles, Ministerials and Knights in the Archdiocese of Salzburg". Speculum. 62 (3). University of Chicago Press: 575–611. doi:10.2307/2846383. JSTOR2846383.
Freed 1987, p. 586. Freed, John B. (July 1987). "Nobles, Ministerials and Knights in the Archdiocese of Salzburg". Speculum. 62 (3). University of Chicago Press: 575–611. doi:10.2307/2846383. JSTOR2846383.
Freed 1987, p. 579. Freed, John B. (July 1987). "Nobles, Ministerials and Knights in the Archdiocese of Salzburg". Speculum. 62 (3). University of Chicago Press: 575–611. doi:10.2307/2846383. JSTOR2846383.
Freed 1986, p. 571. Freed, John B. (June 1986). "Reflections on the Medieval German Nobility". American Historical Review. 91 (3). Oxford University Press: 553–575. doi:10.2307/1869131. JSTOR1869131.
Freed 1987, p. 578. Freed, John B. (July 1987). "Nobles, Ministerials and Knights in the Archdiocese of Salzburg". Speculum. 62 (3). University of Chicago Press: 575–611. doi:10.2307/2846383. JSTOR2846383.