Across
To survive on regular contributions, it's problematic (7)
Flies in the face of danger, one party's leader: that's final, period (7)
Sound of insect or fly (4)
Harvest disease leads to making one unconscious (6,3)
The corrupt accept this: to live, cut by ridicule (5)
Everything under the sun I ever recollected (8)
16a
Mark a clue that does this for golf (9)
See 15
Greens on cycling: 'That hurts!' (4)
Boatman involved in terrible ordeal, but winning (8)
German poet translating King Lear, removing an entry for Goneril (5)
Some say terrible judge gives mark for changing letters (9)
American poet's name with no apostrophe S, hyphenated originally (4)
You might sling one inverted comma in covers of hardback (7)
Very corrupt senior type (7)
Down
23d
Chubby seal. (4,4)
Star in hurry loses hour by chance (8)
Heroine, tragic victim of hubris? Old enough to see through this (6)
Might this describe Boatman: finished with work? (8)
It might be oblique note to follow Mark, perhaps: ringing endorsement (6)
Substitute neither first nor last at first (4)
There's no end to early morning link-up — whatever you want! (3,4,2)
Catch drivers' panel ignoring punctuation (5)
Mark is cross, twice (5)
Find difference at the bottom of writing (8)
Mark is England's first to settle (8)
States 'authentic' writing (6)
Row of crop marks (6)
Impervious to argument about half of deaths, full stop! (4)
See 1
Type letters or click words in the clue