The results will be all those documents whose description matches the search fields. Accents, upper or lower case, will be ignored. Stop words of a language such as articles or prepositions (la, los, de, a, etc.) will also be ignored since all documents include them. Search for whole words only (if "colón" is typed, we will not get results that include colonial, colonia or colonización). To filter by date, both dates are required, "from" and "to". The date "From" must be before the date "To". The pattern is: Day ( 2 digits ) / Month ( 2 digits) / Year (4 digits) , if unknown leave blank . If you want to search by century , enter it in the year field.