"[1] The encyclopedia is a project of the Butler Center for Arkansas Studies at the Little Rock-based CALS.

[3] The project was officially launched in 2006 with 700 entries and 900 multimedia items.

[3] The website was redesigned in 2019 to add functions and support for mobile devices.

[4] The project has a staff of five;[5] articles are written by volunteer contributors who receive a payment of 5 cents per word.

[2] Other entries range from slime mold to various Civil War battles and skirmishes in Arkansas to cheese dip.