A) Georgia O'Keeffe, Art and Letters. Jack Cowart and Juan Hamilton. National Gallery of Art, Washington, 1987. Printed softcover with color plates, pp. 306. B) Georgia O'Keeffe. Penguin Books, Middlesex, 1976. Printed softcover with color plates. C) Georgia O'Keeffe. Nancy Frazier. Crescent Books, New York, 1990. Hardcover with printed dust jacket, some rips and repairs on dust jacket, color plates, pp. 112. D) Georgia O'Keeffe, In The West. Doris Bry and Nicholas Callaway. Alfred A. Knopf, New York, 1989. Printed dust jacket over hardcover includes color plates, excellet condition. E) Georgia O'Keeffe, The New York Years. Doris Bry and NIcholas Callaway. Alfred A. Knopf, New York, 1991. Printed dust jacket over hardcover, color prints, pp 130 plus appendix. F) Georgia O'Keeffe, One Hundred Flowers. Nicholas Callaway. Alfred A. Knopf, New York, 1987. Printed dust jacket over hardcover, color plates, pp. 100 plus appendix.