- LANGUAGE
- Fractal
- THE LIVING LANGUAGE OF THE STONE AGE
- THE ENGLISH LANGUAGE FROM THE HUNGARIAN VIEW
- OUR WORDS FROM THE PAST
- HAR – The 4500 years old spiritual heritage of Europe
- THE SECRET OF THE HUNGARIAN VOCABULARY
- WRITING
- Signs – Letters – Alphabets
- The History of Numerals and Number-Writing
(10-15000 years old)
