29 years in the making, the latest version of the Comics Research Bibliography by Mike Rhode; John A. Lent; Tony R. Rose is available for free online.
Now at 1,614 pages (up from 2023's 1535 pages), it's available at https://archive.org/details/crb-2024 . An asterisk (*) marks entries or articles that are new since the last published version – 1,701 of them. Daily listings of articles to be included in the future can be found on Rhode's ComicsDC blog at https://comicsdc.blogspot.com/search?q=%22Comics+research+bibliography%22&max-results=20&by-date=true
Also newly online is The Lent Comic Art Classification 2017 Edition by John A. Lent and Mike Rhode, which since 2009 provides the skeleton for the CRB. Find it at https://archive.org/details/lent-comic-art-classification-2017-edition-with-covers