Mentoring; Paints; Pammel, L. H. (Louis Hermann), 1862-1931
Apr. 18, 1902
Dr. L. H. Pammel,
Botanical Department, I.S.C.
My Dear Doctor Pammel:
I have your most valued favor of April 12th and beg to thank you most heartily for your very kindly words with reference to Leaflets on nature study. So...