Internet History Sourcebooks Project
Fordham University: Jewish History Sourcebook: Expulsion From Spain
This site from the Fordham University gives a detailed and accurate picture of the expulsion and its immediate consequences for Spanish Jewry. It was written in Hebrew by an Italian Jew in April or May, 1495.
Other
Si Spain: Los Reyes Catolicos
This resource provides information on the description of the time of the Catholic Kings, Fernando and Isabel, 1474-1516. This is a brief timeline.