Broad Street: A New York Songline, su nysonglines.com. URL consultato il 3 gennaio 2009 (archiviato il 23 settembre 2011). 67 (block): The International Telephone and Telegraph Building, erected in 1928 by Garment District developer Abraham Lefcourt as the Lefcourt Exchange Building, was almost immediately bought by ITT--which expanded the building to take over the whole block by 1930.
Emma Farnsworth, Farnsworth, Philo T. and Elma G., su trove.nla.gov.au, J. Willard Marriott Library, University of Utah. URL consultato l'8 luglio 2014 (archiviato dall'url originale il 14 luglio 2014).
Myron Magnet e Andrew Evan Serwer, IS ITT FIGHTING SHADOWS -- OR RAIDERS?, in Fortune, 11 novembre 1985 (archiviato dall'url originale il 29 aprile 2014).
Michael Nunez, ITT Tech Is Officially Closing, in Gizmodo, 6 settembre 2016. URL consultato il 6 settembre 2016 (archiviato dall'url originale il 6 settembre 2016).
Broad Street: A New York Songline, su nysonglines.com. URL consultato il 3 gennaio 2009 (archiviato il 23 settembre 2011). 67 (block): The International Telephone and Telegraph Building, erected in 1928 by Garment District developer Abraham Lefcourt as the Lefcourt Exchange Building, was almost immediately bought by ITT--which expanded the building to take over the whole block by 1930.