Why Do We Say White Collar and Blue Collar?

How did blue collar, white collar (and pink collar!) end up in our lexicon, and what are the origins of their meanings?

Are the Terms “White Collar” and “Blue Collar” Problematic?

Big Short' Says White-Collar Jobs Bubble Is 'Bursting': SPY Implications (NYSEARCA:SPY)

Blue-collar worker - Wikipedia

Steve Carell Quote: “You may look around, and see two groups here

White-Collar vs. Blue-Collar: What's the Difference?

White-Collar Crime - Overview, Types, Classifications

Blue is the new white? Labor market's sudden shift towards skilled trade workers is a win for blue-collar jobs

America's blue collar workers may be one of the most optimistic

Consolidation Case Study: Enhancing Operations in Blue Collar Back

The origins of white collar vs. blue collar - ADP ReThink Quarterly

What's the difference between white and blue collar jobs?

Working During the COVID-19 Pandemic: Class Differences