Studies on Homer and the Homeric Age, Vol. 1 of 3
Studies of Trees
Studies of the Greek Poets (Vol 2 of 2)
Studies of the Greek Poets (Vol 1 of 2)
Studies of Lowell (from Literary Friends and Acquaintance)
Studies of Contemporary Poets
Studies of Birds Killed in Nocturnal Migration
Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.
Studies in Zechariah
Studies in Wives
Studies in the Theory of Descent (Volumes 1 and 2)
Studies in the Theory of Descent, Volume II
Studies in the Theory of Descent, Volume I
Studies in the South and West, with Comments on Canada
Studies in the Psychology of Sex, Volume 6
Studies in the Psychology of Sex, Volume 5