This crossword No. 9427 clues and answers were published on Wed 19 Jul 2000 and the puzzle can be visited by following The Guardian Quick Crossword No. 9427 link.
All Across Clues and Answers:
1-across – Writer about the past : HISTORIAN
8-across – Musical drama : OPERA
9-across – Bounty : LARGESS
10-across – Having only one spouse at a time : MONOGAMY
11-across – 1 across’s Muse – from Renault? : CLIO
13-across – Unidirectional : ONEWAY
14-across – Sudden movement – main gist : THRUST
16-across – Limit – school time : TERM
17-across – Lib-Lab, us : SILLABUB
19-across – Isle of Wight chalk monoliths : NEEDLES
20-across – Swill : RINSE
21-across – Amuse – give hospitality : ENTERTAIN
All Down Clues and Answers:
1-down – Hats, etc : HEADGEAR
2-down – Herod’s niece in Wilde play : SALOME
3-down – Wicked giant : OGRE
4-down – Mr Right in Wilde play : IDEALHUSBAND
5-down – Stackable furniture : NESTOFTABLES
6-down – A Woman of ______ : NOIMPORTANCE
7-down – … unlike 6, of ______ : BEINGEARNEST
12-down – Offspring : CHILDREN
15-down – Unpleasant vapour or influence : MIASMA
18-down – Smudge : BLUR
This crossword has in total 22 where 12 are across and 10 are down.