Retrotisements: RIP Sony Walkman (1979 – 2010) – The Man in the Gray Flannel Suit
The First Walkman Ads | Stereo2Go forums
The story of Sony: from repair shop to revolution, how Walkman inventor changed music listening and, with PlayStation, home entertainment – South China Morning Post – Superbrands News
The Advertising Archives | Magazine Advert | Sony | 1980s
Sony Walkman 1981 Poster Type Ad, Promo Advert | eBay
Vintage 1981 Sony Walkman Print Ad | eBay
SONY TPS-L2 - The Walkman Archive
SONY WALKMAN + FM STEREO WALKMAN—ORIGINAL 1981 MAGAZINE PRINT AD | eBay