[1] "J'ai sur-tout à coeur la clarté" "Discours préliminaire." Galerie des peintres flamands, hollandais et allemand. 3 volumes (Paris: Le Brun, 1792-1796), volume one, pages i and iv.

[2] "the most formidable man": William Butler Yeats, The Autobiography of William Butler Yeats (New York: Macmillan, 1953), page 169.

[3]Bull and Farrand: (New York: Knopf, 1977). Tufted Titmouse, page 658-659; Northern Shrike, page 514; Hairy Woodpecker, page 644; Western Meadowlark, page 512.