* [https://groups.google.com/d/msg/firefox-dev/9zV1Th5vcCA/9minfl_8CQAJ Newsletter #18]
* [https://groups.google.com/d/msg/firefox-dev/Zv5_fipDzUY/6RKCUDtICAAJ Newsletter #19]
* [https://groups.google.com/d/msg/firefox-dev/24SH5R0AcC0/B6ScluagAQAJ Newsletter #20]