Comcast Technology Center (English Wikipedia)

"Featured Properties (1800 Arch St)". libertyproperty.com. Liberty Property Trust. Archived from the original on July 18, 2013. Retrieved December 3, 2017.
Cineas, Fabiola (October 15, 2018). "The New Comcast Technology Center Will Open to the Public This Week". phillymag.com. Philadelphia Magazine. Archived from the original on February 13, 2019. Retrieved February 13, 2019.

areadevelopment.com

Area Development Online News Desk (January 16, 2014). "Comcast Plans $1.2 Billion, 60-Story, Innovation And Technology Tower In Downtown Philadelphia". Area Development Online. New York, United States: Halcyon Business Publications. Archived from the original on January 18, 2014. Retrieved July 3, 2014.

Winberg, Michaela (July 30, 2018). "Comcast II is operational: the first round of employees have moved in". Billy Penn. Spirited Media. Retrieved September 15, 2018.

Kostelni, Natalie (July 3, 2014). "Comcast skyscraper construction begins; new details emerge". Philadelphia Business Journal. Retrieved July 15, 2014.
Kostelni, Natalie (September 8, 2014). "Comcast chooses firm to design interior of new Philadelphia skyscraper". Philadelphia Business Journal. Retrieved September 10, 2014.

McDevitt, John (June 5, 2015). "Four Seasons Hotel About To Close Its Doors On Logan Circle". CBS Philadelphia. Retrieved January 25, 2016.

Romero, Melissa (November 28, 2017). "Comcast Technology Center is officially the tallest building in Philly". Curbed Philly. Vox Media, Inc. Archived from the original on November 29, 2017. Retrieved November 28, 2017.

Donohue, Steve (January 15, 2014). "Comcast building $1.2B innovation and technology center in Philadelphia". FierceCable. Washington, D.C., United States: FierceMarkets. Archived from the original on July 7, 2014. Retrieved July 3, 2014.

"Four Seasons Hotel Philadelphia". fourseasons.com. Four Seasons Hotels Limited. Retrieved December 3, 2017.

"Featured Properties (1800 Arch St)". libertyproperty.com. Liberty Property Trust. Archived from the original on July 18, 2013. Retrieved December 3, 2017.

Lattanzio, Vince (November 30, 2017). "The Comcast Technology Center Is Philly's Tallest Building and Yes, There's a Mini Billy Penn Up There". NBC10 Philadelphia. NBCUniversal Media, LLC. Archived from the original on December 2, 2017. Retrieved December 2, 2017.
Burdo, Alison (February 19, 2014). "New Comcast Building a Gamechanger for NBC10 and Telemundo 62". NBC10.com. NBCUniversal Media, LLC. Retrieved January 25, 2015.

Adelman, Jacob (November 17, 2016). "Big tower, shorter name: Comcast cuts 'innovation' from high-rise's moniker". Philly.com. Retrieved November 19, 2016.
Bob Fernandez (December 10, 2014). "Engineers on the rise: Four young professionals tackle a career-making project". philly.com. Philadelphia Media Network (Digital), LLC. Archived from the original on November 22, 2017. Retrieved December 3, 2017.

Fernandez, Bob (January 17, 2014). "Comcast to build second, taller Phila. skyscraper". Philly.com. Archived from the original on January 21, 2014.

Cineas, Fabiola (October 15, 2018). "The New Comcast Technology Center Will Open to the Public This Week". phillymag.com. Philadelphia Magazine. Archived from the original on February 13, 2019. Retrieved February 13, 2019.

"Comcast Innovation and Technology Center". Thornton Tomasetti. Retrieved June 26, 2016.

Romero, Melissa (November 28, 2017). "Comcast Technology Center is officially the tallest building in Philly". Curbed Philly. Vox Media, Inc. Archived from the original on November 29, 2017. Retrieved November 28, 2017.
Lattanzio, Vince (November 30, 2017). "The Comcast Technology Center Is Philly's Tallest Building and Yes, There's a Mini Billy Penn Up There". NBC10 Philadelphia. NBCUniversal Media, LLC. Archived from the original on December 2, 2017. Retrieved December 2, 2017.
Fernandez, Bob (January 17, 2014). "Comcast to build second, taller Phila. skyscraper". Philly.com. Archived from the original on January 21, 2014.
Area Development Online News Desk (January 16, 2014). "Comcast Plans $1.2 Billion, 60-Story, Innovation And Technology Tower In Downtown Philadelphia". Area Development Online. New York, United States: Halcyon Business Publications. Archived from the original on January 18, 2014. Retrieved July 3, 2014.
Donohue, Steve (January 15, 2014). "Comcast building $1.2B innovation and technology center in Philadelphia". FierceCable. Washington, D.C., United States: FierceMarkets. Archived from the original on July 7, 2014. Retrieved July 3, 2014.
Bob Fernandez (December 10, 2014). "Engineers on the rise: Four young professionals tackle a career-making project". philly.com. Philadelphia Media Network (Digital), LLC. Archived from the original on November 22, 2017. Retrieved December 3, 2017.