The Influence of the Blue Ray of the Sunlight and of the Blue Color of the Sky, in Developing Animal and Vegetable Life; In Arresting Disease

Title: The Influence of the Blue Ray of the Sunlight and of the Blue Color of the Sky, in Developing Animal and Vegetable Life; in Arresting Disease and in Restoring Health in Acute and Chronic Disorders to Human and Domestic Animals Publisher: Philadelphia : Claxton, Remsen