Information provided by Chesterton, initially? (7,9)

See 4

Attack leading study … (3,2)

… concerning fixed charge … (5)

… that's obsolete after support is revised retrospectively (9)

Talk about when to drive off in the late afternoon (7)

Sign reversed by top Greek mathematician … (6)

… providing clear evidence of invention (6)

Drop support for scapegoat (4,3)

Is nothing sacred to them? (9)

Conclude there's no escaping hell (5)

Proposition discovered left out in hotel chain (3,2)

Dumping of waste into a ruin is wrong (9)

Their colour discrimination makes rodents hold back like this (7)

Bride's gone berserk, making bits and pieces (6)

Date top Chinese, for example (4,3)

Classic location for the mill recommended by dentists (5)

Trio likes playing — it's a source of energy (3,6)

Officer overwhelmed by joy in Highland valley (7)

Rover is leading name of most Alsatian dogs (5)

Acceptable building extension for conservative types? (5-4)

Elvis plied regularly with special kind of fats (6)

Editor bleeps second half out, making it suitable for consumption (6)

Showing interest initially in distribution of cheap tat? Quite the opposite (9)

Encourage secretive group that is hiding tax (9)

Papers have problems supporting this leader (7)

Chapel is so fortunate to hold returned relic (6)

Terribly frosty around November? They keep nuts warm (1-6)

Without borders, fancy short stop at sea (6)

Old school punishment excited silent majority (5)

Chance taken by father holding position (5)