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Keywords from Image Description:
Houghton GC.P.d Placcius . en Illustration featuring system for filing notes from De arte excerpendi vom gelahrten Buchhalten liber singularis quo genera praecepta excerpendi ab aliis hucusque tradita omnia novis accessionibus aucta ordinata methodo exhibentur et suis quaeque materiis applicantur by Vincent Placcius lib harvard