This crossword No. 9735 clues and answers were published on Mon 16 Jul 2001 and the puzzle can be visited by following The Guardian Quick Crossword No. 9735 link.
All Across Clues and Answers:
5-across – Approve without exercising judgment : RUBBERSTAMP
7-across – One of the rivers of Hades : STYX
8-across – Soundness : LEGALITY
9-across – Archbishop : PRIMATE
11-across – Lukewarm : TEPID
13-across – Decorate : ADORN
14-across – One under another’s patronage : PROTEGE
16-across – Cruel : FIENDISH
17-across – Long ? pain : ACHE
18-across – Mythical creature thought to cause lightning : THUNDERBIRD
All Down Clues and Answers:
1-down – Wild goat with large horns : IBEX
2-down – Exhaust : DEPLETE
3-down – Custom : USAGE
4-down – Soonest : EARLIEST
5-down – Officers no longer in active service, but still paid : RETIREDLIST
6-down – Depths got in : POTTINGSHED
10-down – Cake made mostly of sugar : MERINGUE
12-down – Toxophily : ARCHERY
15-down – Dizzy : GIDDY
17-down – Parched : ARID
This crossword has in total 20 where 10 are across and 10 are down.