The structure of the starch grain von Kraemer, Henry

Viola tricolor L. in morphologischer, anatomischer und biologischer Beziehung ... von Kraemer, Henry

Further observations on the structure of the starch grain von Kraemer, Henry

A course in botany and pharmacognosy von Kraemer, Henry

The pith cells of Phytolacca Decandra von Kraemer, Henry

Studies on color in plants von Kraemer, Henry

The origin and nature of color in plants von Kraemer, Henry