Old mario 64 website : r/SM64BetaBuild

ProjectA95 [Super Mario 64] [Mods]

Super Mario 64 (partially found Spaceworld '95 demo of Nintendo 64 3D platformer; 1995) - The Lost Media Wiki

SM64 Start Screen

Super Mario 64 Beta 07/29/1995 Build Leaked!

Investigating the 1995/07/29 build and more

GitHub - n64decomp/sm64: A Super Mario 64 decompilation, brought to you by a bunch of clever folks.

Super Mario 64 (partially found Spaceworld '95 demo of Nintendo 64 3D platformer; 1995) - The Lost Media Wiki

Super Mario 64 Romhacks - Retroachievements Collection [Pre-Patched] : Kaze Emanuar, aglab2, Marionova64, thecozies, LinCrash, Progji, MrComit, The PixelSM64, SwiftySky, Nebula SM64, BroDute, Dan-GPTV, ArcticJaguar725, Kinopio, Daniel_EDC, pieordie1

Investigating the 1995/07/29 build and more

Super Mario 64 by robbienordgren on DeviantArt

Another Screenshot of SM64 Beta Replica by CaioAlbuquerque2 on DeviantArt

I Found A Copy Of The Mario 64 Beta Build