http://www.imagesfromtexas.com/photo/big-d-skyline-from-the-continental-avenue-bridge/
https://en.wikipedia.org/wiki/List_of_tallest_buildings_in_Dallas#Tallest_buildings
http://res.dallasnews.com/interactives/behind_closed_doors/highest_office/index.html?_ga=1.256053193.356734264.1468918851
http://bizbeatblog.dallasnews.com/2015/05/the-competition-for-the-top-of-dallas-skyline-has-been-on-hold-for-30-years.html/
http://bizbeatblog.dallasnews.com/2015/05/fewer-super-tall-office-buildings-are-under-construction-around-the-u-s.html/
http://bizbeatblog.dallasnews.com/2016/04/kourtny-garrett-is-downtown-dallas-biggest-evangelist-and-shell-make-you-a-believer.html/?_ga=1.144271095.356734264.1468918851
https://flashbackdallas.com/2014/02/04/dallas-skyline-by-alfred-eisenstaedt-1942/
https://flashbackdallas.com/2016/07/12/views-of-elm-street-with-cameo-appearances-by-the-fox-theater-1920s-1960s/