4 public-domain matches

Plant Cell Contents

Cover of The Plant Stem

The Plant Stem

Fritz H. Schweingruber, Annett Börner

Cover of The Plant Stem: A Microscopic Aspect

The Plant Stem: A Microscopic Aspect

Fritz H. Schweingruber, Annett Börner

Cover of Histologische Beiträge

Histologische Beiträge

Eduard Strasburger

Cover of Spiritism And Common Sense

Spiritism And Common Sense

Carlos María de Heredia