51 pages, 8 plates : illustrations ; 28 cm.

Die Pillnitzer Centurienbände : "Plantae selectae vivis coloribus depictae" / [Johannes Helm].

214 pages, 29 pages of plates : facsimiles, portrait ; 24 cm.

Johannes Kentmann, 1518-1574 : ein sächsischer Arzt und Naturforscher / von Johannes Helm.

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