The general rule, the earlier the manuscript, the more accurate. So, the early papyri can validate the original reading for almost all of our textual variants.
A Missing “Robinson Papyrus” Found?
R&S-0208
Stream [Underswap/Inverted Fate] home of papyrus. by Z-nogyroP
PDF) Another Look at P.IFAO II 31 (P98): An Updated Transcription and Textual Analysis
Guide to the Yale Papyrus Collection Beinecke Rare Book & Manuscript Library
The Text of the New Testament Archives - Christian Publishing
File:P. Oxy. LXVI 4499.jpg - Wikipedia
Τα αρχαία Ελληνικά χειρόγραφα της Καινής Διαθήκης : Λίστα με παπύρους τών πρώτων αιώνων μ.Χ. (ονομασία, χρονολογηση, περιεχόμενο, τοποθεσία) και φωτογραφίες.
PAPYRUS 98 (P98) (P. IFAO Inv. 237b [+a]) Dating to About 150-175 A.D., Which Contains Revelation 1:13–2:1 - Christian Publishing House Blog
PLD 0200 Upload a PLD0200 File and Receive and Parse the Response - ppt video online download