ECCO sisältää laajan kokoelman digitoituja Iso-Britanniassa ja osin Amerikassa 1700-luvulla julkaistuja teoksia eri aloilta. Kirjoja ei ole lisätty Aalto-Finnaan.
ECCO contains digitized English-language titles and editions published in the 18th century in the United Kingdom, and America. Subject areas include history, geography, social sciences, music, art, architecture, medicine, science, technology, literature and language, religion, philosophy and law. Titles have not been added to Aalto-Finna database.