Q. Where can I find a timeline of the New Testament and when different books of it were written?

1. This e-book may be helpful:

https://regent.primo.exlibrisgroup.com/permalink/01REGENT_INST/1bco707/alma991013149606307516

It gives historical background on the whole NT.

2. See this from the ESV Bible also:

https://www.esv.org/resources/esv-global-study-bible/chart-40-00-nt-timeline/

3. And from HCU:

https://hc.edu/museums/dunham-bible-museum/reprints-from-the-collection/added-material-placed-in-bibles/account-of-the-dates-or-time-of-writing-the-books-of-the-new-testament-1812/

4. There are some really good e-books here, too, such as #5

https://regent.primo.exlibrisgroup.com/discovery/search?query=any,contains,new%20testament%20AND%20(timeline%20OR%20chronolog*)&tab=Everything&search_scope=MyInst_and_CI&vid=01REGENT_INST:01REGENT&lang=en&offset=0

5. Also see this book which we have in print and you can Request PDF of the timeline portion:

https://regent.primo.exlibrisgroup.com/permalink/01REGENT_INST/1bco707/alma991000843179707516

or have the book mailed to you.