Reddit mentions of Microsoft Windows User Experience (Microsoft Professional Editions)

There are plenty of resource that haven't been mentioned yet.

Here's a modern one: App design guidelines

and here's the classic book (specifically for Win32 apps -- I've been told that there's a PDF version of this out there, but I didn't look for it): Microsoft Windows User Experience

The UX book has a great deal of information in it that is still relevant to win32 application design.

Don't know, but this looks to be similar and it's only 6 USD used. https://www.amazon.com/Microsoft-Windows-Experience-Professional-Editions/dp/0735605661

Try ctrl+enter in any other browser in windows and it will append http://www. before and .com after. Just because your imagination prevents you from seeing that it's not a commonly used shortcut doesn't mean it isn't, and even if it's not apple is still breaking common UI that people expect should they want to use it.

As for Microsoft UI guidelines, I admit I'm not sure if it's cites specifically, there is a LOT of documentation to go through. I do know that the user experience guidelines suggest to follow Windows guidelines and common practices whenever possible. The User Experience guidelines specifically mentions that Ctrl+Pgdn/PgUp are the common means of navigating tabs.

Here's a book on the guidelines,
http://www.amazon.ca/Microsoft-Windows-User-Experience-Guidelines/dp/toc/0735605661