The wealth of digitized text in the HathiTrust is available for researchers who utilize text mining techniques.

• For downloadable public domain documents, U of I affiliates can request custom datasets.
• For web-based text analysis using pre-built tools, use the HathiTrust Research Center's online toolkit.
• For advanced research of the entire corpus, the HathiTrust Research Center offers a secure compute environment called the HTRC Data Capsule.
• For visualizing word usage over time in the HathiTrust corpus, try HathiTrust+Bookworm.

For more information about the HathiTrust Research Center, which is a joint project at the U of I and Indiana University, you can learn more here: 

If you have additional questions about using the HathiTrust for your text analysis project, email htrc-help@hathitrust.org for more support.