This website has quite a lot of jdumb publications scanned as pdfs for download.I have left a link for whoever needs it. All yearbooks, insight books, reasoningform the scriptures, so on and so forth.
https://www.pdfdrive.com/new-world-translation-of-the-holy-scriptures-e28550907.html
Hope this helps.
Human Being by Birth,
Being A Human By Choice.
ZP