The book, "A Twentieth Centrury History and Biographical Record of North and West Texas" by Captain B. B. Paddock can be read online here:https://archive.org/stream/twentiethcentury00padd#page/n289/...
Joshua Nobles bio is on pages 214, 215, 216
Joshua Nobles bio is also transcribed here: http://www.genealogymagazine.com/joshuanobles.html
It doesn't answer your question about death dates for Joshua and Mattie. They were still living when book was published in 1906.
They were still living in 1910.https://familysearch.org/pal:/MM9.1.1/M2Q3-4PR
Ken (not related)