The Vision of Modern Dance. Edited by Jean Morrison Brown. Illustrated, and with bibliography and index, 194 pp. Princeton, N.J.: Princeton Book Company, 1979. $12.00. The Dance Anthology. Edited by Cobbett Steinberg. Appendices and biographical notes, 467 pp. New York: New American Library, 1980. $8.75. Dance as a Theatre Art: Source Readings in Dance History from 1581 to the Present. Edited, with commentary, by Selma Jeanne Cohen. Illustrated and with annotated bibliography, 224 pp. New York: Harper & Row, 1974. $8.50. The Dance Experience: Readings in Dance Appreciation. Edited by Myron Howard and Constance Gwen Nadel. With biographical notes and index, 388 pp. New York: Universe Books, 1978. $14.50; $6.95 paperback. The Dance Has Many Faces. Edited by Walter Sorell. With index and biographical notes, 288 pp. Cleveland: World Publishing Company, 1951. Revised ed., with index, biographical notes, and reading guide, 276 pp. New York: Columbia University Press, 1966. $15.00.