https://www.lego.com/en-us/aboutus/lego-group/the-lego-group-history/

https://www.lego.com/en-us/history/

Culture Trip “The History of the Barbie Doll” By Toni Marie Ford

https://www.google.com/amp/s/theculturetrip.com/north-america/usa/articles/the-history-of-the-barbie-doll/%3famp=1

24/7 Wall Street “30 of the Most Popular Barbie Dolls of All Time” By Hristina Byrnes

https://www.google.com/amp/s/247wallst.com/special-report/2019/03/05/the-most-popular-barbie-dolls-of-all-time/amp/

Good Housekeeping “40 Surprising Things You Probably Didn’t Know About Barbie” By Sam Ecobar and Adam Schubak

https://www.goodhousekeeping.com/life/g2530/barbie-dolls-history-facts/

Invaluable “The Guide to Vintage Barbie Dolls”

https://www.invaluable.com/blog/vintage-barbie-dolls/