The period covered by the Historical Lexicon of English is since 1497 until 1900. The type of material used consists of books, newspapers and papers.
The English IR lexicon has been built by means of the IMPACT dictionary attestation tool from the quotations of the OED (Oxford English Dictionary). The lexicon currently contains 874,311 lemma/word form combinations.
The Core Named Entities Lexicon for English is an elaborate database of enriched historical English locations, person names and organisations from the period 1742 – 1899. It can be used as a lexicon for OCR and for query expansion in retrieval.