New Testament Apocrypha, 2 Vol., Schneemelcher

https://www.amazon.com/gp/product/066422721X/ref=ox_ya_os_product https://www.amazon.com/gp/product/0664227228/ref=ox_ya_os_product This is one of two New Testament Apocrypha collections that is a standard in English for Scholarly work. They are also recommended by Rick Brannan here: https://community.logos.com/forums/p/42569/317086.aspx#317086 The other is Elliott's The Apocryphal New Testament: A Collection of Apocryphal Christian Literature in an English Translation, which is also in the suggestions.