CELT Corpus of Electronic Texts is a large online collection of Irish cultural, historical, and literary texts (in: Irish; Latin; Hiberno-Norman French; and English). The works range from early medieval pieces through to 20th century literature
The Survey of English Usage is one of the first corpora of the English language, started in 1959 by Prof. Randolph Quirk. It contains a million-word corpus of written and spoken English collected between 1955 and 1985, originally available on paper, now computerised
This Web site, from the Trésor de la langue française au Québec, provides a freely accessible, online database of the linguistic differences throughout the francophone world. Countries and regions featured here include Belgium; Burundi; Louisiana; Morocco; Quebec; and Switzerland. Users may conduct simple or complex searches for particular words, or browse through the region-specific 'dictionaries'.