The Sega Dreamcast: Microsoft on consoles before the days of Xbox

The Story Behind the Xbox

The Weekly Five: How the SEGA Dreamcast changed gaming » SEGAbits - #1 Source for SEGA News

Efemérides del 21 de mayo: qué pasó un día como hoy

21 years ago, the Dreamcast failed – but it could (and should) have succeeded – The Pop Culture Studio

SEGA 'Revolutionary' tech news won't be them releasing & rebranding Xbox Series X console in Japan says 'key opinion leader in China' » SEGAbits - #1 Source for SEGA News

Hardware Classics: Sega Dreamcast

Dreamcast, Microsoft Wiki

Here's who won each console war

Dreamcast Collection (Microsoft Xbox 360, 2011) for sale online