Concealing-Coloration in the Animal Kingdom - An Exposition of the Laws of Disguise, Through Color and Pattern; Being a Summary of Abbott H. Thayer's Discoveries #270125 9,85€
Opium-Smoking in America and China - A Study of Its Prevalence, and Effects, Immediate and Remote, on the Individual and the Nation #269578 6,85€
The Flora of New England - A Manual for the Identification of All Vascular Plants, Including Ferns and Fern Allies Growing Without Cultivation in New England #270117 11,85€
The Early Introduction of Bogus Freemasonry in the United States of America and Texas Among Colored Masons #268760 5,85€
Reflection and Refraction of Electromagnetic Waves by a Dielectric Slab Between Dielectric Media #268756 5,85€
