This crossword No. 9172 clues and answers were published on Fri 24 Sep 1999 and the puzzle can be visited by following The Guardian Quick Crossword No. 9172 link.
All Across Clues and Answers:
1-across – Bribe : BACKHANDER
7-across – Cry out : EXCLAIM
8-across – Theme : MOTIF
10-across – Skin disease : ACNE
11-across – Caribou : REINDEER
13-across – Appoint – admit to holy orders : ORDAIN
15-across – Public road : STREET
17-across – Disclosure – made by a photographer? : EXPOSURE
18-across – Image of god : IDOL
21-across – Hangman’s halter : NOOSE
22-across – Naive – unskilful : ARTLESS
23-across – Bird song at daybreak : DAWNCHORUS
All Down Clues and Answers:
1-down – Pig meat – essayist : BACON
2-down – Overcook – fish – daily : CHAR
3-down – Impede – basket : HAMPER
4-down – Propose – name : NOMINATE
5-down – Farthest – drastic : EXTREME
6-down – Hurry up! : GETAMOVEON
9-down – Excellent : FIRSTCLASS
12-down – Famous physicist, mathematician : EINSTEIN
14-down – Certificate : DIPLOMA
16-down – Opening – quarrel : BREACH
19-down – Lees : DREGS
20-down – Prison : STIR
This crossword has in total 24 where 12 are across and 12 are down.