On the anniversary of 'Sesame Street' debut, commemorating moments the show reflected changing times – New York Daily News
How Sesame Street's Muppets Became Revolutionaries
TV Guide
Sesame Street introduces two new Black Muppets to teach about race - CBS News
A shout out to the HUMAN characters on 1970s Sesame Street! : r/GenX
Sesame Street milestones, Muppet Wiki
Happy birthday, Sesame Street
Two Black Muppets 'Sesame Street' to discuss race, racism
Sesame Street' Puppeteer Makes Perfect Red Carpet Muppet Accessory
Sesame Street debuts autistic character Julia - CBS News