Macbook Late 2009 SSD Upgrade and macOS installation - A1342 - YouTube
Upgrade Your Macbook Pro (SSD Upgrade, RAM Upgrade, Optical Drive Bay Adapter) - YouTube
MacBook Pro 13" Unibody Mid 2010 Hard Drive Replacement - iFixit Repair Guide
13-inch MacBook Pro Mid 2009 Data Doubler 2nd Hard Drive/SSD Installation Video - YouTube
Amazon.com: 2nd 2.5'' SATA HDD SSD Hard Drive Disk DVD CD ROM Optical SuperDrive Caddy Tray Adapter for Apple Unibody MacBook/MacBook Pro 13 15 17 Early mid Late 2008 2009 2010 2011 2012.etc : Electronics
MacBook and MacBook Pro (Non-Retina) SSD Upgrade Kit
Replace your 2009-2012 MacBook Pro HD with an SSD
How to Upgrade MacBook Pro Hard Drive (Unibody, 2009-2012): EveryMac.com
How to Upgrade MacBook Pro RAM (2009, 2010, 2011, 2012): EveryMac.com