References and sources
An annotated bibliography of works consulted and suggested

A comprehensive site with information regardig artists from most time periods, especially late Rennaissance to modern. Lots of images.

Flanagan, Sabina.
Hildegard of Bingen, a Visionary Life. London: Routledge, 1989.

This book is a biography covering Hildegard's life and work. Along with being a biography, the book contains a list of references to critical material on Hildegard's writings, as well as a rather lengthy bibliography and discography.

Fox, Matthew.
Illuminations of Hildegard of Bingen. Sante Fe: Bear and Company, 1985.

This book takes Hildegard's original texts and matches them with their corresponding images and Matthew Fox's commentary. Unlike many philosophical texts of ancient or medieval philosophers, this book contains long exerpts of Hildegard's writings rather than broken critique or analysis.

Long, Richard, Verlag, Cantz
Richard Long: From Time to Time. New York: DAP: Distributed Art Publishers, 1997.

While there are no essays, this beautiful book contains most of Long's photographs from his "walks". There is also documentation of Long's walks and some of his rock drawings.

Michael Craig-Martin. Ed. Joanna Skipwith. London: Whitechapel Art Gallery, 1989.

While this book is a catalog for an exhibition of Craig-Martin's work, it also contains several very interesting essays. Craig-Martin's work is shown through it's transitions, covering not only the major points of his career as well as the more unique pieces.

Robert Ryman. London: Tate Gallery Publications, 1993.

While Robert Ryman's work is often elusive and hard to reproduce, this extensive catalog deals with both remarkably. Several biographical and critical essays offer very interesting views into Ryman's life. The reproductions clearly show the nuance of Ryman's paintings.

Nancy Spero: Works Since 1950. Syracuse: Everson Museum of Art, 1987.

A catalog for an exhibit of Spero's work, focusing on women and mythology. The catalog contains all color plates and has several short essays on the work.

Tougas, Cecil T., Ebenreck, Sara.
Presenting Women Philosophers. Philadelphia: Temple University Press, 2000.

A book of essays by various authors compiled to cover many different women philosophers. Organizes the philosophers by topic rather than chronilogically. The heads of the chapters have interesting essays summarizing the chapter that provides some good extra information.