Index Thomisticus

The Index Thomisticus was a digital humanities project begun in the 1940s that created a concordance to 179 texts centering around Thomas Aquinas.

Led by Roberto Busa, the project indexed 10,631,980 words over the course of 34 years, initially onto punched cards.

[2] A significant part of the project was the data entry, which was meticulously carried out by a team of female keypunch operators.

[10] A review published of the project in Computers and the Humanities described it as "as innovative and fascinating a reference work as the technology that made it possible.

"[10] An article in Umanistica Digitale wrote that "the project developed for the first time, methods for dealing with unstructured language".