The American Card Catalog: The Standard Guide on All Collected Cards and Their Values is a reference book for American trading cards produced before 1951, compiled by Jefferson Burdick.

[1] Some collectors regard the book as the most important in the history of collectible cards.

[2] First published in 1939 as The United States Card Collectors Catalog, subsequent editions of the ACC came in 1946 (when it was renamed), 1953 and 1960.

[3] It has become the de facto method in identifying and organizing trade cards produced in the Americas pre-1951.

Sets like 1909-11 White Borders, 1910 Philadelphia Caramel’s, and 1909 Box Tops are most commonly referred to by their ACC catalogue numbers.