Johannes de Sacrobosco

Editions of the 
Tractatus de Sphaera
Sacrobosco Project
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Speculum astrologiae
Lugduni: in officina Q. Phil. Tingui apud Simphorianum Beraud, 1583. 

2 vols., fol.
Vol. 1: [20], 1313, [1] p.
Vol. 2: 3, [3], 1170, [39] p.

The second volume contains Sacrobosco's text, with comments.
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Locations: Österreichische Nationalbibliothek (Austrian National Library) 72.E.1.(2) 
British Library, 719.m.5.
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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