This document discusses research methods and materials related to textual criticism and bibliography. It provides background information on important figures in the fields of textual criticism and bibliography such as W.W. Greg, R.B. McKerrow, Fredson Bowers, and G. Thomas Tanselle. It also summarizes some of the key debates in textual criticism, such as debates around the concept of the "copy-text" and whether there can be an "authoritative" text. The document provides a timeline of important works and developments in the history of textual criticism and concludes with two relevant quotes on textual analysis.