Leonardo's Notebooks

Manuscripts, codices, and organization pathways

Surviving Pages: ~5,000-7,000 Major Collections: 12+ Date Span: c. 1478-1519 Research Hubs: Subjects, Timeline, Biography
This will be a collection without order, made up of many sheets which I have copied here, hoping afterwards to arrange them in order in their proper places according to the subjects of which they treat.

- Leonardo da Vinci, Codex Arundel

5,000+ Surviving Pages
12+ Codex Collections
34 Subject Pages
7 Timeline Eras

The Major Codices

Primary collection hubs for manuscript exploration

Codex Arundel

Mathematics, mechanics, and design studies from different phases of Leonardo's career.

Content Available

Codex Atlanticus

Large compilation with engineering, geometry, military studies, and visual investigations.

Content Available

Codex Leicester

Water, geology, astronomy, and natural philosophy in one of Leonardo's most focused notebooks.

Content Available

Madrid Codices

Mechanics, machine design, and architectural studies rediscovered in the 20th century.

Content Available

Royal Collection (Windsor)

Anatomy, figure studies, horses, and major drawing sequences.

Content Available

Paris Manuscripts

Optics, hydraulics, military architecture, and painting theory across multiple notebooks.

Content Available

Codex Trivulzianus

Early vocabulary and self-education materials, with language and architecture notes.

Content Available

Forster Codices

Compact notebooks with practical mechanics, geometry, and workshop-style observations.

Content Available

Anatomy Manuscripts

Anatomical investigations and connected medical/scientific studies.

Content Available

Codex Ashburnham

Recovered manuscript fragments tied to broader Paris manuscript history.

Content Available

Treatise on Painting

Posthumous compilation history and the transmission of Leonardo's painting theory.

Content Available

Translations Hub

Translation-oriented entry points and language versions.

Content Available

How to Navigate the Notebook Universe

Choose the route that matches your research goal

By Subject

Browse theme-based pages such as anatomy, optics, flight, water, and perspective.

Open Subject Hub →

By Organization Model

Use process frameworks (science, craft, content) to connect pages across collections.

Open Organization Hub →

By Scholar

Compare how major researchers arranged and interpreted Leonardo's dispersed manuscripts.

Open Researchers Hub →

By Biography and Time

Follow life-period clusters and timeline eras tied to projects, patrons, and locations.

Open Biography Hub →

Open Timeline Hub →

By Source-Library Workflow

Track source pages, extraction units, and analysis notes in the notebook library scaffold.

Open Library Hub →

Quick Links