- ↑ "0000950129-97-001088.txt : 19970320" (). U.S. Securities and Exchange Commission. Retrieved on April 14, 2014. "Houston Industries Incorporated and Houston Lighting & Power Company Houston Industries Plaza 1111 Louisiana, 47th Floor Houston, TX 77002-5231"
- ↑ "Contact Information." CenterPoint Energy. Retrieved on January 14, 2009.
- ↑ "CenterPoint Energy Tower بایگانیشده در ۵ ژوئیه ۲۰۱۲ توسط Wayback Machine." Berger Iron Works. Retrieved on January 14, 2009.
- ↑ "Houston Industries takes new name." Houston Business Journal. February 2, 1999. Retrieved on April 14, 2014.
- ↑ Bivins, Ralph. "SURVIVAL OF THE NEWEST / OCCUPANCY DOWNTOWN TUMBLING, BUT THREE TOWERS DEFY TREND." Houston Chronicle. Sunday July 27, 2003. Business 1. Retrieved on November 11, 2009.
- ↑ Pugh, Clifford. "Unique tops give skyscrapers an aesthetic boost." Houston Chronicle. June 6, 2005. Retrieved on April 14, 2014. "Sometimes, a building's owner remakes a top to attract more attention. Ten years ago, owners of the Houston Industries building added a five-story canopy resting on four pillars to the top of the aging 47-story skyscraper. The addition created a dramatic circle that floats atop the building. It was meant to resemble a lantern, but at night the lit open space looks more like a hovering spaceship."
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