AMGUR Memory Stick Pro Duo Adapter, Micro SD / Micro SDHC TF Card to Memory Stick MS Pro Duo Card for Sony PSP, Playstation Portable, Camera, Handycam, PDA : Amazon.ca: Electronics
Memory Stick - Wikipedia
Original 16GB High Speed Memory Stick Pro Duo Mark2 16gb PSP Camera Memory Cards : Amazon.ca: Electronics
4Gb Lexar Memory Stick Micro M2 Card Sony PSP Go Old New Shop Stock 4540395000750 | eBay
Sony Ericsson dropping Memory Stick Micro, apparently stopped taking moron pills | TechCrunch