Open source platform for studying media ecosystems.
BYU News on the Web (NOW)
Investigate words, phrases and more from news
Features historical American newspapers.
Internet Archive of eBooks
Contains primarily public documents.
To see examples of what you can do with SEC Filings, visit Rankandfiled
FCC Comments and Proceedings - example case study
Government Publishing Office - download a variety of federal government documents including code of Federal Regulations, Congressional Bill Text and more.