https://www.crimemuseum.org/help-the-missing/

https://www.biography.com/crime/natalle-holloway-murder-timeline

https://apnews.com/article/natalee-holloway-extortion-joran-van-der-sloot-1f9335330de758cd7163914b81d0759f 

https://www.usatoday.com/story/news/nation-now/2018/03/15/natalee-holloway-case-man-who-claimed-help-joran-van-der-sloot-dispose-teens-body-stabbed-death/427290002/ 

https://www.crimemuseum.org/crime-library/cold-cases/natalee-holloway-resource-center/

https://www.cbsnews.com/news/natalee-holloway-fought-like-hell-before-death-mom-says-joran-van-der-sloot-confession/ 

https://www.oxygen.com/the-disappearance-of-natalee-holloway

https://www.eonline.com/photos/28082/untangling-the-disappearance-of-natalee-holloway

https://www.goodmorningamerica.com/news/story/-3925483

https://www.cnn.com/2007/WORLD/americas/11/21/holloway.arrest/index.html