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Primary sourceDocument12th century

Rule of Saint Benedict in the St Gall Choir-Office Book

Saint Benedict of Nursia · 12th century

A 12th-century Latin manuscript copy of Benedict's Rule, preserved at the monastery of St Gall.

A medieval copy of Benedict's own Rule, showing how his monastic guidance was preserved and used centuries later.

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An open medieval manuscript book in a display case, showing two pages of dense black handwritten Latin text in columns on parchment, with red decorated initial letters. The binding is worn brown leather.
Rule of Saint Benedict, St Gall choir-office book, 12th century.

About this source

What it is

This is a twelfth-century manuscript page containing the Rule of Saint Benedict, written in Latin and preserved within a choir-office book from the monastery of St Gall. The page shows handwritten text in columns with decorated red initials.

Why it matters

St Gall was an important monastery that followed Benedict's Rule, and manuscripts like this one show how his text was copied, used and preserved by monastic communities for centuries after his death. It is physical evidence of the Rule's continuing influence in daily monastic life.

Look closer

  • What can you tell about how much this book was used from its worn leather binding?
  • Why might monks have taken such care to decorate the initial letters in red?
  • What does the survival of this copy, centuries after Benedict wrote the Rule, tell us about its importance?

This document is part of the curated material that grounds the AI version of Saint Benedict on Humy.ai — when students ask about related events, the AI can quote it and cite it.

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Open pages of a medieval Latin manuscript on aged parchment, with handwritten black text in columns, red initials and rubrics, and a large decorated illuminated initial on the left page. The text appears to be a copy of a monastic rule.Book

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