Volumes 83 to 87. Volume+number means book. For example, each page is divided into two numbered columns, so the detailed speeches mentioned in the Hansard of the British Parliament can be read as: vol. 120, No.24, 22 July 1987, Col.370 。

Each page is divided into two columns, which are represented by numbers, so when referring to a specific speech in the Hansard of Parliament, it can be read as column 370 of No.24 of Volume 1987 120. Then p. 1 19 may mean 1 19.