Amazon.com: Logitech QuickCam Pro 5000 Webcam : Electronics
Logitech QuickCam Messenger Web Cam, Logitech V-UBC40 97855047793 | eBay
Logitech QuickCam Connect Web Cam for sale online | eBay
Amazon.com: Logitech C270 HD Webcam, 720p, Widescreen HD Video Calling,Light Correction, Noise-Reducing Mic, For Skype, FaceTime, Hangouts, WebEx, PC/Mac/Laptop/Macbook/Tablet - Black : Electronics
Building a Webcam Infrastructure for GNU/Linux - Martin Rubli