PROFESSOR ERNST HAECKEL, JENA.
Reading edition
I find strong coffee very useful in mental work. Of alcohol, I take very little, because I find it of no value as a stimulant. I have never smoked.
E. HAECKEL. November 4, 1882.
Reading edition
I find strong coffee very useful in mental work. Of alcohol, I take very little, because I find it of no value as a stimulant. I have never smoked.
E. HAECKEL. November 4, 1882.