Diccionario de autoridades the academy recognizes Covarrubias' work as a predecessor in the scholarly canon. Other dictionaries also rely on content from the Treasury, particularly multilingual dictionaries and other seventeenth century dictionaries of Spanish. These include the Thresor de deux langues françoise et spagnole [Treasure of two languages, French and Spanish] by César Oudin (1616), the Ductor in linguas [Guide into Tongues] by John Minsheu (1617), and the Vocabolario italiano e spagnolo'' [Italian and Spanish Vocabulary] by Lorenzo Franciosini (1620). References External links Tesoro de la lengua castellana o española, digital edition at Universidad de Sevilla. Spanish dictionaries 1611 books Spanish non-fiction literature