De centro gravitiatis Add to clipboard GB 2014 WS-01-BUS-HH/4/27 Item 1635 Part of Westminster School's Archive and Collections Guldin, Paulus
Refutatio elenchi calendarii Gregoriani a S. Calvisio conscripti . . Add to clipboard GB 2014 WS-01-BUS-FF/7/19 Item 1616 Part of Westminster School's Archive and Collections Guldin, Paulus