Tupperware Wikipedia

https://en.m.wikipedia.org/wiki/Tupperware

Wonderful World of Tupperware - 1960s - CharlieDeanArchives / Archival Footage

https://www.youtube.com/watch?v=kbPjGl0vii4

Tuppereare party time! - Life in America

https://www.youtube.com/watch?v=AQNPRvLvFAg

History.com “Madam C. J. Walker” By History.com Editors

https://www.history.com/topics/black-history/madame-c-j-walker

Biography.com “Madam C.J. Walker Biography” By Biography.com Editors

https://www.biography.com/inventor/madam-cj-walker

How Stuff Works.com “How Tupperware Works” By Cristen Conger

https://people.howstuffworks.com/tupperware.htm

https://www.pyrex.eu/pages/our-history

http://www.pyrexcollector.com/history.php

https://www.google.com/amp/s/estatesales.org/thegoods/vintage-pyrex-101/amp

https://www.google.com/amp/s/gizmodo.com/the-pyrex-glass-controversy-that-just-wont-die-1833040962/amp