Today in Music History: Sony introduced the Walkman

FEATURE: Forty Years of the Sony Walkman: 1st July, 1979: An Historic and Iconic Day for Music — Music Musings & Such

Sony's first Walkman, the sequel, and the recorder that started it all (pictures) - CNET

List of Sony Walkman products - Wikipedia

Walkman Story: The Early Years of the Iconic Personal Cassette Player

National Museum of American History

Random Access Memories: Sony TPS-L2 Walkman (1979)

35 years of portable music: Remembering the Walkman - The Economic Times

Sony Walkman - Design Museum

Today in History – Sony Introduces the Walkman (1979), by Charbel Torbey

Strap in for Nostalgia - The History and Legacy of the Walkman - Exhibit Tech Tech

UX inspiration from history: Sony Walkman

The History of Portable Music Players

Sony presents the Walkman (1979) - History