Retrospect Opera，是一个成立于英国的小型组织，专门录制18到20世纪早期的重要英国歌剧。团队由负责音乐编辑、表演、教学与研究的专业人士组成，以原始乐谱为基础，完成细节修正后进行演奏与录制。Retrospect Opera成员的理念是让更多人能够亲耳听到那些他们曾经只能以书面形式阅读的歌剧作品。

Model of Data for Large Shared Data Banks. Gotlieb, Calvin C. A time to retrospect and prospect. Communications of the ACM. 1 January 2008, 51 (1): 26–29

ISBN 1-85414-293-3.  Hobhouse (ed.), Hermione. CHAPTER XXIV - Southern Kensington in Retrospect. Survey of London: volume 42: Kensington Square to Earl's Court. English

Buckland's blue plaque in Islip （页面存档备份，存于互联网档案馆） William Buckland in Retrospect （页面存档备份，存于互联网档案馆） The Life and Correspondence of William Buckland... By

K.B. Broberg. H.P. Rossmanith , 编. Fracture Research in Retrospect: An anniversary volume in honour of G.R. Irwin's 90th birthday. CRC Press