Wikipedia: Empire State Building, https://pl.wikipedia.org/wiki/Empire_State_Building
Projekt Uniwersytetu Columbia, http://www.columbia.edu/imaging/html/browsers/empire/empire-browser.html
Digital Collections on Empire State Building, https://digitalcollections.nypl.org/search/index?keywords=Empire+state+building
Empire State Building, http://www.esbnyc.com
Wiele ciekawych informacji o ESB, http://architecture.about.com/library/blempire.htm
Odwiedzając ESB, http://empire-state-building.visit-new-york-city.com
Wycieczka po ESB, http://www.nyctourist.com/empire1.htm
Stronka o różnych budowlach, http://www.budowle.pl/budowla,empire-state-building
Skyscraperpage, http://skyscraperpage.com/cities/?buildingID=23
Great Buildings, http://www.greatbuildings.com/buildings/Empire_State_Building.html
Skyscrapers, http://www.skyscrapers.com/empirestatebuilding-newyorkcity-ny-usa
Cuda Świata, http://cudaswiata.pl/ameryka_polnocna/empire_state_building.html
Katalog stron, http://katalog.mistrzu.com
Katalog Jeja, http://www.katalogjeja.com
Inga's Angle, https://isardasorensen.wordpress.com/
ZielonyKatalog.net, http://www.zielonykatalog.net
WebTree.pl, http://www.webtree.com.pl
Katalog Stron TigoTago, http://tigotago.pl