Alan Read's book, Theatre in the Expanded Field, is in one sense a response to Richard Southern's The Seven Ages of the Theatre (1962), as the subtitle suggests. However, the main title's echoing of Rosalind Krauss's essay, 'Sculpture in the Expanded Field' (p. xxxiii), signals Read's intentional incorporation of other artistic genres in his work. A further influence is Richard Schechner's concepts of performance, developed around the early 1960s, when Southern was writing The Seven Ages. Both Southern's and Schechner's theories about theatre and performance played a significant role in shaping and understanding the relationship between contemporary theatre and performance (p. xi) and set in motion a new trajectory in theatre and performance studies. It is from this trajectory that Read's book emerges.

中文翻译：

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扩展领域中的戏剧：七种表演方法

正如副标题所暗示的那样，艾伦·瑞德 (Alan Read) 的书《扩展领域中的剧院》(Theatre in the Expanded Field) 在某种意义上是对理查德·南方 (Richard Southern) 的《剧院的七个时代》(The Seven Ages of the Theatre，1962 年) 的回应。然而，主要标题与罗莎琳德·克劳斯 (Rosalind Krauss) 的文章“扩展领域中的雕塑”(p. xxxiii) 相呼应，表明雷德有意将其他艺术类型融入他的作品中。更进一步的影响是 Richard Schechner 的表演概念，它在 1960 年代初期发展起来，当时南方正在撰写《七个时代》。Southern 和 Schechner 的戏剧和表演理论在塑造和理解当代戏剧和表演之间的关系方面发挥了重要作用（第 11 页），并开启了戏剧和表演研究的新轨迹。里德的书正是从这个轨迹中诞生的。