visual studio - Where can you find the C# Language Specifications?

Question

Where can I find the specifications for the various C# languages?

(EDIT: it appears people voted down because you could 'google' this, however, my original intent was to put an answer with information not found on google. I've accepted the answer with the best google results, as they are relevant to people who haven't paid for VS)

Answer 1

Microsoft's version (probably what you want)

The formal standardised versions (via ECMA, created just so they could say it was "standardised" by some external body. Even though ECMA "standards" are effectively "Insert cash, vend standard").

Further ECMA standards