| name | source-research |
| description | Search and cite primary sources from Source Library. Use when asked what historical authors wrote, to find quotes from old texts, investigate alchemical or philosophical works, or cite translated Latin/German sources. |
Source Research
Search the Source Library collection of translated historical texts and retrieve quotes with citations.
Collection Overview
116 books with translations, including:
- Ficino's Letters (841pp) & Complete Works (701pp)
- Agrippa's Occult Philosophy (626pp)
- Khunrath's Amphitheater of Eternal Wisdom (638pp)
- Reuchlin's Wonder-Working Word (527pp)
- Bruno's Latin Works (426pp)
- Drebbel's Two Treatises (69pp)
- Conring on Hermetic Medicine (433pp)
Many of these authors appear in the Ficino Network visualization.
When to Use
- "What did Ficino/Drebbel/Agrippa write about..."
- "Find quotes about quintessence/soul/alchemy"
- "What do historical sources say about..."
- "Cite primary sources for..."
- Questions about Renaissance philosophy, Hermeticism, occult philosophy
When NOT to Use
- General historical questions (use web search instead)
- Post-1700 texts (collection focuses on Renaissance/Early Modern)
- Authors not in the collection (check /api/books first)
- Modern scholarship or secondary sources
API Endpoints
List All Books
curl -s "https://sourcelibrary-v2.vercel.app/api/books"
Returns all books with metadata including pages_count (translation coverage).
Search
curl -s "https://sourcelibrary-v2.vercel.app/api/search?q=QUERY"
Options:
q=QUERY — Search term (required)
language=Latin — Filter by language
limit=10 — Results per page (default 10)
offset=0 — Pagination offset
Example:
curl -s "https://sourcelibrary-v2.vercel.app/api/search?q=quintessence&limit=5"
Get Quote with Citation
curl -s "https://sourcelibrary-v2.vercel.app/api/books/BOOK_ID/quote?page=N"
Returns:
quote.translation — English translation
quote.original — Original Latin/German text
citation.inline — e.g., "(Drebbel 1628, p. 57)"
citation.footnote — Full footnote citation
citation.chicago — Chicago style
citation.bibtex — BibTeX format
citation.doi_url — DOI link if available
Get Book Metadata
curl -s "https://sourcelibrary-v2.vercel.app/api/books/BOOK_ID"
Workflow
- Search for the topic to find relevant pages
- Note book IDs and page numbers from search results
- Get quotes from specific pages for full text + citation
- Present findings with inline citations
Example Session
curl -s "https://sourcelibrary-v2.vercel.app/api/search?q=quintessence&limit=3"
curl -s "https://sourcelibrary-v2.vercel.app/api/books/6836f8ee811c8ab472a49e36/quote?page=45"
Citing in Responses
Use the citation.inline format in text:
"The Quintessence is an eternal, immutable, incombustible thing, like the invincible heaven, perfect in all the elements." (Drebbel 1628, p. 45)
For academic use, provide the full footnote citation from citation.footnote.
Handling Missing Data
- If a page returns 404, the book may not be fully translated yet
- Check
pages_count in book metadata to see translation coverage
- Some books are in "draft" status and may have incomplete translations
- If DOI is available (
has_doi: true), the translation is published and citable
Key Authors in Collection
| Author | Work | Pages |
|---|
| Marsilio Ficino | Letters & Complete Works | 1542 |
| Heinrich Khunrath | Amphitheater of Eternal Wisdom | 638 |
| Cornelius Agrippa | Occult Philosophy | 626 |
| Johannes Reuchlin | Wonder-Working Word | 527 |
| Giordano Bruno | Latin Works | 426 |
| Hermann Conring | On Hermetic Medicine | 433 |
| Cornelius Drebbel | Two Treatises | 69 |