Price range for PS1 games on PSP announced – Destructoid
Run Any PS1 Game On A PSP - Hacked Emulator Action! - RetroGaming with Racketboy
Sony wants PSP to download non-PSOne retro games. Legally, that is – Destructoid
PSP Hack for Playing PS1 Games
Is Sony finally positioning the PSP to succeed? More PS1 games on PSN, non-PlayStation games on the PSN, free ponies, etc | TechCrunch
How to play PS1 games on PSP - YouTube
Rumor: PS Plus Premium's PS1, PS2, PSP Games Have Started to Leak - takmihan
How To Convert PS1 ISOs To Play On PSP - YouTube
PS Vita Hub | Playstation Vita News, PS Vita Blog: Sony Makes Almost Every PSOne and PSP Game Downloadable on PS Vita
3 great PSP/PS1 games made even better when played on the PSVita via Adrenaline - A look at some older games to play this holiday season on your trusty portable! - Wololo.net
Sony removes the ability to download previously unsupported PSP/PSone games on Vita | PSNStores
PSP - POPSloader 6.60 PRO (PS1 on PSP) | PSX-Place
PS1, PSP Games on PS Plus Premium Can Have Save States, Rewind, and Improved Performance - Push Square