Johannes de Sacrobosco

Editions of the 
Tractatus de Sphaera

Sacrobosco Project
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doubtful edition
Petri Ciruelli Darocensis uberrimum sphere mundi commentum, insertis quaestionibus Petri de Alliaco
Parisiis: 1503.

Described by Lalande, p. 31
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Locations: No known copy. 
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Johannes de Sacrobosco - Editions of the Tractatus de Sphaera - home
Roberto de Andrade Martins - roberto.andrade.martins@gmail.com
Group of History, Theory of Science and Science Teaching, University of São Paulo (USP), Brazil - GHTC