About Catholics

Catholic Church

The world’s largest Christian religious denomination.

https://en.wikipedia.org/wiki/Catholic_Church

Ordo Lectionum Missae

The Lectionary for Mass of the Catholic Church.

https://en.wikipedia.org/wiki/Lectionary#Catholic_Mass_Lectionary_and_the_Revised_Common_Lectionary

Felix Just, S.J., Ph.D. maintains a website Catholic Resources where you can read the full online text of the 1998/2002 USA Edition

The German edition (published 1981) is here: https://www.sbg.ac.at/pth/links-tipps/past_ein/lektionar/

https://www.catholic-resources.org/Lectionary/Editions.htm

Holy Mass

The central liturgical rite in the Catholic Church.

https://en.wikipedia.org/wiki/Mass_in_the_Catholic_Church

Catechism

The Catechism of the Catholic Church, published by the Catholic Church in 1992. It sums up the beliefs of the Catholic faithful.

https://en.wikipedia.org/wiki/Catechism_of_the_Catholic_Church

Second Vatican Council

https://en.wikipedia.org/wiki/Second_Vatican_Council

Dei Verbum

A dogmatic constitution on divine revelation produced and published by the Catholic Church in November 1965 as one of the results of the Second Vatican Council.

Full official text

https://en.wikipedia.org/wiki/Dei_verbum