LAEME will allow you to search and retrieve linguistic data from its corpus of lexico-grammatically tagged texts ; search and retrieve data from the Index of Sources; view maps showing the geographical distribution of linguistic features across space; view and create chronological tables, graphs and charts showing the distribution of linguistic features through time
« The American National Corpus (ANC) project is creating a massive electronic collection of American English, including texts of all genres and transcripts of spoken data produced from 1990 onward. The ANC will provide the most comprehensive picture of American English ever created, and will serve as a resource for education, linguistic and lexicographic research, and technology development. »
J. Kupiec. Proceedings of the 31st annual meeting on Association for Computational Linguistics, page 17--22. Morristown, NJ, USA, Association for Computational Linguistics, (1993)