14 Down Battle Against Royal Establishment (9) A?????????

[liztheone123]

15 down Port out of line for small creature (3) E??
16 down Strained puddings served up (8) ????????
17 across River Test is source of terribly big noise (13) ??????????i?
18 down Doctor allowed to conceal operation is a drip (7) ???????
19 down Laver perhaps beat a Swede around mid-September (7) ???????
20 down Joint: a sort to be cooked (5) ?????
21 down Opposing benefits in a way (7) ???????
23 across Member of clergy mostly shown in right-hand page (5) ?????

[Neveracrossword]

20 Roast, anagram.

[Neveracrossword]

15 L Eft.

[Neveracrossword]

16 Stressed, strained - Desserts upwards.

[Tilly2]

20d roast

[dannyk13]

Agin court

[Neveracrossword]

19 Seaweed, laver.

[Neveracrossword]

21 Against - A Gain St.

[Lie-in King]

14d Agin-court
15d Eft - '(l)eft' (port, no 'l[ine]')
16d Stressed - 'desserts' (up)
17a Industrialist - 'Indus (river) trial (test) is t(erribly; source)'
18d Droplet - 'Dr let' (to conceal) 'op(eration)'

[dannyk13]

^14d^

[Neveracrossword]

23 Rect, righthand page (Rector, member of clergy)

[Lie-in King]

23a Recto(r)