Exposing the agendas of Modernists, Freemasons and homoheretics:
Exposing Feminism, LGBT and Homosexuality ideologies:
Exposing Gender Theory rebellious Satanic ideology:

Dr. Miriam Grossman - Lost in Trans Nation
Islam Heresy:

Luiz Sergio Solimeo - Islam and the Suicide of the West
History:
Early History

Dr. Gary R. Habermas - The Uniqueness of Jesus Christ (original source, local source).

Joe Heschmeyer - Early Church was a Catholic Church

Jimmy Akin - The Bible Is a Catholic Book
Modern History

The Inside Story of Vatican II: A Firsthand Account of the Council's Inner Workings (The Rhine Flows into the Tiber, A History of the Council) - Ralph M. Wiltgen (1967) (influence of progressives and modernists on Vatican II)
Science (natural philosophy), love of wisdom leads to God because God is eternal wisdom:

John Lennox - Can Science Explain Everything
Evolution:
Climate Change scam:
Philosophy:
Theology/Doctrine/Faith/Morality:

Booklet: Catholic Answers - Pillar of Fire, Pillar of Truth, The Catholic Church and God's Plan For You
Pro-Life (exposing the evil of abortion):

Booklet: Catholic Answers - Why We're Pro Life
Apparitions of Our Lady:
Other important books (to read):
History/Philosophy (recommended by IP):
Archeology (recommended by IP):
Other lists:
- Peter Kwasniewski
- sspxasia.com/Documents (Vatican II, doctrine)
- sspxasia.com: The Catholic Church and the Second Vatican Council
Faithful publishing houses:
- Ignatius Press
- Catholic Answers shop
- TAN Books
- TAN Leaflets
- Crisis Publications
- TFP book store
- TFP books
- EWTN Library
- christianlib.com (very good arabic theology/saints books)
- Sophia Institute Press
- Angelico Press
- Alleluia Press (Melkite Byzentine)
- Sophia Press (Melkite Byzentine)
- Angelus Press (TLM)
- Tradition in Action