- Albert Einstein. Religion And Science by Albert Einstein
- Conversation On Religion And Antisemitism by Albert Einstein
- On Prayer. Purpose In Nature. Meaning by Albert Einstein
- The Dresden Edition Of The Works Of Robert by Anonymous
- The Heroic Enthusiasts by Giordano Bruno
- The Literary Works Of Da Vinci by Jean Paul Richter
- Roger Bacon by Roger Bacon
- Mark Twain On Religion by Anonymous
- Notkill by Anonymous
- Sstitre1 by Anonymous
- The Works Of Ingersoll, Volume I by Anonymous
- Thefly by Anonymous
- Why I Am An Agnostic by Anonymous
- Descent Of Man by Charles Darwin
- Origin Of Species by Charles Darwin
- Voyage Of The Beagle by Charles Darwin
- Absurdities Of The Bible by Clarence Darrow
- Clarence Darrow On Religion by Clarence Darrow
- Facing Life Fearlessly by Clarence Darrow
- The Works Of Ingersoll, Volume Ii by Force Is Tyrant
- Letters From The Earth by Mark Twain
- The War Prayer by Mark Twain
- What Is Man by Mark Twain
- Common Sense by Thomas Paine
- The Age Of Reason by Thomas Paine
