It also moved away from Gardner's interest in drawing comparisons between art from different parts of the world.
In the Preface, Crosby states: Sumner's organization continues to be used in editions of Gardner's.
The book has remained a required text for introductory classes in art history for American students into the 21st century.
[3][4] The book is now published in a number of different formats, with a "concise" version, and the Western and non-Western sections available separately.
There are also "enhanced" editions with additional multimedia material, and versions in one to four volumes.