Libellus de sphaera, cum praefatione P. Melanthonis Wittebergae: 1531.
This might be the same edition described above (1531b).
.
Locations:
New York Public Library
.
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
Tractatus
de Sphaera
