This crossword No. 10601 clues and answers were published on Wed 28 Apr 2004 and the puzzle can be visited by following The Guardian Quick Crossword No. 10601 link.
All Across Clues and Answers:
5-across – Stella Gibbons’ rural parody : COLDCOMFORT
7-across – See 5 : FARM
8-across – Kin to mahogany : ROSEWOOD
9-across – Ability to keep going : STAMINA
11-across – Backhander : BRIBE
13-across – : FLARE
14-across – Combat aircraft : FIGHTER
16-across – Universal : CATHOLIC
17-across – Reserve – something to read : BOOK
18-across – Sauce, eg for asparagus : HOLLANDAISE
All Down Clues and Answers:
1-down – Fruit : PLUM
2-down – Place for skating : ICERINK
3-down – Break violently : SMASH
4-down – Field of 1485 battle : BOSWORTH
5-down – Round Britain walk? : COASTALPATH
6-down – Mischievous – vexatious : TROUBLESOME
10-down – Author of European post-war recovery plan : MARSHALL
12-down – Part of US postal address : ZIPCODE
15-down – Flash of light : GLEAM
17-down – Top edge of cup etc : BRIM
This crossword has in total 20 where 10 are across and 10 are down.