Art History & Museum Websites:
* The Metropolitan Museum of Art (New York): Their website has extensive collections, including works by abstract artists, and biographical information. [https://www.metmuseum.org/](https://www.metmuseum.org/)
* The Museum of Modern Art (MoMA, New York): A major hub for modern and contemporary art, including abstract art. [https://www.moma.org/](https://www.moma.org/)
* Tate Modern (London): Another world-renowned museum with a strong focus on modern and contemporary art, featuring abstract works. [https://www.tate.org.uk/](https://www.tate.org.uk/)
* Centre Pompidou (Paris): A leading institution for 20th- and 21st-century art, including abstract artists. [https://www.centrepompidou.fr/](https://www.centrepompidou.fr/)
Art Databases & Encyclopedias:
* Artnet: A massive online database of art and artists, including many abstract artists. [https://www.artnet.com/](https://www.artnet.com/)
* The Art Story: Provides biographical information and artwork images for a variety of artists, including abstract painters. [https://www.theartstory.org/](https://www.theartstory.org/)
* Wikipedia: A valuable resource for general information on artists, including abstract artists. [https://en.wikipedia.org/](https://en.wikipedia.org/)
* Oxford Art Online: A comprehensive online encyclopedia of art and artists, with extensive coverage of abstract movements. [https://oxfordartonline.com/](https://oxfordartonline.com/)
Art Movements & Styles:
* Abstract Expressionism: Focuses on artists like Jackson Pollock, Willem de Kooning, Mark Rothko, and Franz Kline.
* Geometric Abstraction: Includes artists like Piet Mondrian, Kasimir Malevich, and Theo van Doesburg.
* Lyrical Abstraction: Artists like Helen Frankenthaler, Morris Louis, and Kenneth Noland are associated with this style.
* Color Field Painting: Famous artists include Mark Rothko, Barnett Newman, and Clyfford Still.
* Minimalism: Key artists include Donald Judd, Agnes Martin, and Sol LeWitt.
Art Books & Publications:
* "Abstract Art" by Clement Greenberg: A classic text exploring the history of abstract art.
* "The Art Spirit" by Robert Henri: A collection of essays by a key figure in American art, touching on the philosophy of abstract art.
When looking for specific abstract artists, consider the period, movement, and specific style you're interested in. Start with a general search on one of the resources above, and then delve deeper into specific movements and artists.