The trees of America; native and foreign, pictorially and botanically delineated, and scientifically and popularly described Q Science
A botanical index to all the medicinal plants, barks, roots, seeds and flowers usually kept by druggists Q Science
Oscillating-curreint circuits; an extension of the theory of generalized angular volocities, with applications to the coupled circuit and the artificial transmission line Q Science
Easy lessons in Einstein : a discussion of the more intelligible features of the theory of relativity / with an article by Albert Einstein and a bibliography Q Science