Wolff 1952, p. 281. . Wolff, Robert Lee (iulie 1952), „Baldwin of Flanders and Hainaut, First Latin Emperor of Constantinople: His Life, Death, and Resurrection, 1172–1225”, Speculum, Medieval Academy of America, 27 (3): 281–322, doi:10.2307/2853088, JSTOR2853088.
Wolff 1952, pp. 281–282. . Wolff, Robert Lee (iulie 1952), „Baldwin of Flanders and Hainaut, First Latin Emperor of Constantinople: His Life, Death, and Resurrection, 1172–1225”, Speculum, Medieval Academy of America, 27 (3): 281–322, doi:10.2307/2853088, JSTOR2853088.
Wolff 1952, p. 282. . Wolff, Robert Lee (iulie 1952), „Baldwin of Flanders and Hainaut, First Latin Emperor of Constantinople: His Life, Death, and Resurrection, 1172–1225”, Speculum, Medieval Academy of America, 27 (3): 281–322, doi:10.2307/2853088, JSTOR2853088.
Wolff 1952, p. 281. . Wolff, Robert Lee (iulie 1952), „Baldwin of Flanders and Hainaut, First Latin Emperor of Constantinople: His Life, Death, and Resurrection, 1172–1225”, Speculum, Medieval Academy of America, 27 (3): 281–322, doi:10.2307/2853088, JSTOR2853088.
Wolff 1952, pp. 281–282. . Wolff, Robert Lee (iulie 1952), „Baldwin of Flanders and Hainaut, First Latin Emperor of Constantinople: His Life, Death, and Resurrection, 1172–1225”, Speculum, Medieval Academy of America, 27 (3): 281–322, doi:10.2307/2853088, JSTOR2853088.
Wolff 1952, p. 282. . Wolff, Robert Lee (iulie 1952), „Baldwin of Flanders and Hainaut, First Latin Emperor of Constantinople: His Life, Death, and Resurrection, 1172–1225”, Speculum, Medieval Academy of America, 27 (3): 281–322, doi:10.2307/2853088, JSTOR2853088.