Zolla's private library located in his studio in Montepulciano (Southern Tuscany, Italy), consists of 10000 titles, including books, journals, and reviews, dictionaries, encyclopaedias, and an antiquarian section comprising 73 texts (XVI, XVII, XVIII, and XIX centuries).

Sections include the following fields :

• Aesthetics (East & West)
• Alchemy
• Ancient and Modern Literature (with an extensive section on North-American Literature)
• Astrology
• Encyclopedias: Britannica, Judaic
• Esotericism
• Ethno-Anthropology
• Freemasonry
• Geography
• Greco-Roman Classics
• Guides and Museum Guides
• History
• History of Art, Music, Dance
• Iconology AND Iconography
• Law
• Linguistics (lexicons and dictionaries of the major ancient and modern world)
• Medicine (traditional medical systems)
• Mysticism AND Mystical Traditions
• Oriental Studies
• Philosophy
• Psychology / Psychoanalysis / Depth Psychology
• Religions / Theology (Christianity, Early Church Fathers, Judaism, Buddhism, Hinduism, Jainism, Zoroastrianism, Islam, Shintoism, Taoism, Tamtrism, Sufism, Tibetan Studies)
• Shamanism
• Symbology

The catalogation has been made with OPAC (Online Public Access Catalogue), and is accessible by clicking on the homonymous entry of the horizontal menu.