If you have access to the NYTimes, here is the article describing opening night at the Barclays Center: https://www.nytimes.com/2012/09/29/nyregion/barclays-centers-opening-is-met-with-protests.html

Here is a short history on the FUSION TV site: https://fusion.tv/video/150519/a-short-history-of-the-brooklyn-stadium-jay-z-helped-put-on-the-map/

One interesting possible research topic: tracking what developer’s promise versus what they deliver.

Architectural Review of the Barclays Center: https://www.architecturalrecord.com/articles/7549-barclays-center

Blog Post on site of Barclays Center before the project started construction: http://forgotten-ny.com/2005/12/before-ratnerville-preceding-barclays-center/