CBDB.com– The goal of Comic Book Database is to catalog every comic, graphic novel, manga, creator, character and anything else that could relate to the field of comics. Register for free
ComicResearch.org - Information on book-length works about comic books and comic strips, from "fannish" histories to academic monographs, providing detailed information and guidance on further research.
Bonn Online Bibliography of Comics Research - An international bibliography of comic books, comic strips, animation, caricature, cartoons, and related topics.
The Comics Journal – Contains columns and reviews.
Cover Browser – Over 450,000 covers of comics, books, and more.
DC Comics Database – A DC Comics encyclopedia that anyone can edit, hosted by Wikia. Contains over 107,609 articles and 127,000 images.
Digital Comics Museum – Offers free public domain Golden Age Comics. Free registration required for downloading.
Grand Comics Database (GCD) - a nonprofit, internet-based organization of international volunteers dedicated to building an open database covering all printed comics throughout the world.
ImageTexT Interdisciplinary Comic Studies - a peer-reviewed, open access journal dedicated to the interdisciplinary study of comics and related media. Published by the English Department at the University of Florida with support from the College of Liberal Arts and Sciences.
Marvel Comics Database – Database has over 223,000 articles covering over 48,630 comics, and 62,000 characters.
Ninthart.com – Comic Art gives a brief history of comics.
New York Public Library – List of reference material related to comics and comic books.
Comics Art Museum - Brussels
Cartoon Art Museum - San Francisco, CA
The Hammer Museum - Los Angeles, CA - Masters of American Comics
Michigan State University Libraries – Comic Art Collection