Four Decades of Sony Walkman - CCS Insight

Sony looks to reboot 1990s glory days with relaunch of robot dog

Research vs Vision: the origin story of Sony Walkman, Mini Cooper, and the iPhone, by Taras Savytskyi

2011 in science - Wikipedia

You can thank your old Sony Walkman for ushering in the era of portable entertainment

The history of the Walkman: 35 years of iconic music players - The Verge

Sony celebrates 40 years of Walkman in Tokyo - The Verge

Sony Walkman - Dead Media Archive

The Walkman at 35 - JSTOR Daily

The Evolution of the Sony Walkman - Moon Audio

Sony's Walkman Makes Comeback - WSJ

Sony Walkman Case study: How it changed the way we listen to Music

The Iconic Sony Walkman Turns 40

A history of Sony's successes and failures, Sony