Nicolaus Copernicus, (1473-1543)

Copernicus' De revolutionibus and Commentariolus
De revolutionbus was published in 1543. Copernicus proposed the revolutionary theory that the sun, rather than the earth, was at the centre of the cosmos, overturning the established geocentric theory of Ptolemy... more

Ptolemy's Almagest
In many of the books that Liddel owned, there is evidence of personal connections between him and his friends and colleagues.... more

Erasmus Reinhold (1511-1553). Prutenicae tabulae coelestium motuum.

The Prutenic Tables
Astronomical tables were used to calculate the planetary positions, phases of the moon, eclipses and calendars. Although eagerly awaited, the tables in Copernicus’ De revolutionibus were not very extensive... more

Plutarch. Vitae virorum illustrium, autoribus Aemylio Probo…

Gifted Books
This is a copy of Plutarch’s ‘Parallel lives’ containing biographies of 46 famous Greek and Roman philosophers and politicians. The lives are arranged in pairs, comparing the virtues and vices of Greek and Roman lives... more

Tycho Brahe (1546-1601). Tychonis Brahe Dani epistolarvm astronomicarvm libri…

Tycho Brahe and Liddel
Duncan Liddel visited Tycho Brahe at his observatory on the island of Hven in Denmark in 1587 and again in 1588 having first met the famous astronomer at Rostock... more

MSM 71

A catalogue of the Liddel Library
There is no catalogue of all of the books that were in Liddel’s library. The first catalogue to properly list the whole of Marischal College library is a manuscript which dates from 1659 to 1713... more

Christof Wirsung. Ein new Artzney Buch darinn fast alle Glieder desz menschlichen Leibs...

Liddel's annotations
Many of the books that were owned by Duncan Liddel have manuscript notes and annotations. Nearly all of Liddel’s annotations are in Latin, even when the text is not... more

The 'Celebration Book'
This little book contains four short works, three of them published in 1596 when Liddel gained his medical degree. As part of the fulfilment for this degree, he was required to publicly defend a list of theses which would later be issued in printed form... more

Evolution of the Ars medica and De febribus
Over 80 of the medical works in the Liddel Library are academic theses defended by students, with Liddel acting as praeses. Some of these formed the basis of Liddel’s published medical works, the Ars medica and De febribus... more

Botany, Pharmacopoeias and Herbals
Around 30 of Liddel’s books are concerned with the identification of plants and herbs, and their use in the manufacture of medicines. Liddel not only taught medicine but was a practising physician himself... more

Medicine: Galen and Paracelsus
Liddel studied and practised medicine at a time when the relevance of the traditional medical texts was the subject of debate. Traditionalists followed the teachings of the second-century physician Galen whilst the more revolutionary mediciners used the controversial works of the sixteenth-century alchemical doctor, Paracelsus... more

Petrus Ramus and mathematics
Petrus Ramus (1515-1572) was an outspoken, revolutionary teacher and thinker. He viewed mathematics as a subject essential to all learning, and revolutionised the teaching of mathematics at the University of Paris where he lectured... more

The Chronologia of David Chytraeus
David Chytraeus (1530-1600) was a Lutheran professor of theology at Rostock. His Chronologia was a charted history of events since creation synchronising classical and biblical events. Of particular interest was the debate concerning the actual date of the birth of Christ... more

Bookbindings in the Liddel library
The majority of books in the Liddel collection are still in their original, contemporary bindings. Limp vellum and vellum over pasteboards are the main coverings found in the bindings of books in the Liddel collection... more