This crossword No. 9220 clues and answers were published on Fri 19 Nov 1999 and the puzzle can be visited by following The Guardian Quick Crossword No. 9220 link.
All Across Clues and Answers:
1-across – Artificial international language : ESPERANTO
8-across – Side post of door : JAMB
9-across – Unrelenting : INSISTENT
10-across – Peaceful : CALM
13-across – Shroud : COVER
15-across – Inn : TAVERN
16-across – Plan : DESIGN
17-across – Burning : AFLAME
19-across – Dignified – time of year : AUGUST
20-across – Pair – strut : BRACE
21-across – Of high quality : FINE
24-across – Vital : ESSENTIAL
25-across – District of central London : SOHO
26-across – Soon : PRESENTLY
All Down Clues and Answers:
2-down – Ballad : SONG
3-down – Islamic chieftain : EMIR
4-down – Lawsuit – battle : ACTION
5-down – With browned skin : TANNED
6-down – Wise : SAGACIOUS
7-down – Detest : ABOMINATE
11-down – Unyielding : STEADFAST
12-down – Mass of sliding snow : AVALANCHE
13-down – Morsel : CRUMB
14-down – Light entertainment : REVUE
18-down – Rubber : ERASER
19-down – Means of entry : ACCESS
22-down – Famous school : ETON
23-down – Bucket : PAIL
This crossword has in total 28 where 14 are across and 14 are down.