Below you will find links to several Catechisms Related to Catholic Teaching and Doctrine. Links also to Prayers in Latin/English

THE CATECHISM OF ST. PIUS X

Original Contents

http://www.catholicbook.com/AgredaCD/PiusX/CATECHISM_OF_ST_%20PIUS%20X.htm

The Catechism of The Council of Trent

http://catholicapologetics.info/thechurch/catechism/trentc.htm

The Baltimore Catechism

https://www.catholicity.com/baltimore-catechism/

Another Special Page full of Timeless Catholic Material The Litugia Latina Project

http://liturgialatina.org/

A Treasury of Catholic Prayer at link for site below.

                                              Treasury of Latin Prayers