WOMACK, Tom. The Dutch Naval Air Force Against Japan: The Defense of the Netherlands East Indies, 1941-1942. [Jefferson?]: McFarland, 2006. Dostupné online. ISBN9780786423651. S. 57 a 58. (anglicky)
boston.com
BACEVICH, Andrew J. What happened at Bud Dajo: A forgotten massacre—and its lessons [online]. The Boston Globe, 2006-03-12 [cit. 2009-10-20]. Dostupné online. (anglicky)
MORISON, Samuel Eliot. History of United States Naval Operations in World War II. Vol. 13: The Liberation of the Philippines—Luzon, Mindanao, the Visayas, 1944-1945. [s.l.]: University of Illinois Press, 2002. Dostupné online. ISBN9780252070648. S. 226 a 227. (anglicky)
CONVERSE, Elliott Vanveltner. The exclusion of black soldiers from the Medal of Honor in World War II: the study commissioned by the United States Army to investigate racial bias in the awarding of the nation's highest military decoration. [s.l.]: McFarland, 1997. Dostupné online. ISBN9780786402779. S. 146 a 147. (anglicky)
niu.edu
seasite.niu.edu
ANG, Josiah C. Historical Timeline of the Royal Sultanate of Sulu, Including Related Events of Neighboring Peoples [online]. [cit. 2009-10-20]. Dostupné online. (anglicky)
sulu.gov.ph
Jolo, Philippines History Before 1898 ............... CHINESE TRADERS, CIRCA 1200 A.D. [online]. sulu.gov.ph [cit. 2009-10-20]. Dostupné online. (anglicky)[nedostupný zdroj]
