Art Institute of Chicago:
https://www.artic.edu/exhibitions/1333/bertrand-goldberg-architecture-of-invention
https://www.artic.edu/archival-collections/digital-publications/bertrand-goldberg-archive-2
Art Institute of Chicago oral History with Ben Honda, a member of Bertrand Goldberg Associates:
Chicago Architects Oral History Project > Ben Honda
Canadian Center for Architecture:
https://www.cca.qc.ca/en/search?query=bertrand%20goldberg
Bauhaus information:
https://www.bauhaus.de/en/
Casual sites on Marina City:
http://www.jetsetmodern.com/marinacity.htm
http://www.chicagocarless.com/marina_city/
http://lynnbecker.com/repeat/hobpaint/hobpaint.htm
Early Goldberg drawings at the Fogg Museum of Harvard:
https://harvardartmuseums.org/collections/person/22752?person=22752
Wikipedia on Bertrand Goldberg
http://en.wikipedia.org/wiki/Bertrand_Goldberg