Firefox 52 will warn users for non-secure HTTP Login Pages
Mozilla Firefox 52 Released [How-to-upgrade] - Tips on Ubuntu
Enabling NPAPI plugins on Firefox 52 - Linux Mint Forums
Firefox 52 to Allow Us to Send & Open Tabs from One Device to Another with Sync
Firefox ESR release cycle | Firefox for Enterprise Help
GitHub - TarekJor/Firefox-52-ESR-legacy-addon: [WIP] A curated list and XPI files of Mozilla Firefox browser extensions, addons, themes from addons. mozilla.org, before XUL-based purge blackout
Firefox 52.0 Released as ESR Branch, Will Receive Security Updates Until 2018
How to allow the proper plugin to run on Firefox 52 when attempting to watch video on a Foscam camera or NVR system?-Foscam Support - FAQs
Firefox 52.0 released: find out what is new - gHacks Tech News
Firefox 52 Release Marks End for Windows XP and NPAPI | eTeknix
When I try to download Firefox ESR 52 version I still get the download of version 60. | Firefox for Enterprise Support Forum | Mozilla Support
Mozilla Firefox 52.9.0esr and 53.0.3 running on Windows 2000 - BetaArchive
Firefox 52 Released With WebAssembly Support, Removes NPAPI Plugins Other Than Flash (Java, Silverlight) ~ Web Upd8: Ubuntu / Linux blog