The Saint of the Day
this link for the Saint of the Day is provided by the Franciscan Media - a nonprofit ministry of the Franciscan Frairs. Here is the actual link to their website: info.franciscanmedia.org/
The listing of the Books of the Bible was obtained from the United States Conference of Catholic Bishops.
Catholic Holy Days of Obligation
This is pdf file obtained from the following link: https://fwdioc.org/holy-days-obligation.pdf. fwdioc.org is the diocese of Fort Worth, Texas. They provide this convenient calendar for the year 2013-2025.