01 – The Go Programming Language – https://golang.org/doc/effective_go.html
02 – The Go Programming Language Specification – https://golang.org/ref/spec
03 – Go Cheat Sheet – https://github.com/a8m/go-lang-cheat-sheet
04 – Go at Google: Language Design in the Service of Software Engineering – http://talks.golang.org/2012/splash.article
05 – External Links – http://www.geektime.co.il/golang-101/