The Pomegranate (1917)
The Politics Of Chinese Finance (1913)
The Plankton Of Echo River, Mammoth Cave (1900)
The Place Of Sheep On New England Farms (1918)
The Pioneer Women Of Wyoming (1901)
The Pilgrimage Of A Soul (1916)
The Physiological Effects Of Air Vitiated By Respiration (1892)
The Physical Features Of New England: Two Chapters On The Physical Geography And The Climate Of New England (1888)