Christophori Clavii ... Opera Mathematica ... / 
Clavius, Christophorus.
Moguntiae :  R. Eltz sumptibus A. Hierat, 
1612.
The general titlepage is engraved. The separate printed titlepages of vol. 1-3 are dated 1611, those of vol. 4 and 5 are dated 1612. Vol. 4 & 5 were printed by I. Volmari.
Item records and volume number generated programmatically as part of an external digitisation project