Across
Ring obtained over in West African state (4)
Athlete's particularly protective knitted garment? (4,6)
Let in again to study at US university (7)
Artlessness of surgeon standing by major road in north-east (7)
State Pierre's agreement to meet Welsh girl in Hollywood area (9)
Hallucinatory experience produced by drug? Nonsense (5)
Wonder at his men's not unusual (12)
Again set up old seat of learning, losing one by park (12)
Deliveries sweethearts initially rejected (5)
In theory, no friend receives maidens at home (9)
Quiet rescuer loses head — a worker by the way (7)
Berceuse in two keys penned by French composer (7)
Eccentric lord with a role protecting universal currency (10)
Slide sideways, initially striking young child (4)
Down
Austrian novice of slender build (8)
Finally going for a tryst involving university degree-holder (8)
Outstanding note on a historical Italian town (5)
Police officers right to go into data on titled ladies (9)
Fortuitous, a Parisian camping on Scottish island by loch (13)
Summary — not quite exact (6)
Advert covering e-cigarette? (6)
Ill-judged refurbishment of modern studios (13)
Villain caught breaking into safe on fifth of April (9)
Withdrawal of power defending player (8)
Innocent inventor of decimal system this writer had talked of (4-4)
Bird house originally opened by American writer (6)
Dam constructor's extremely brittle state (6)
Island 2 keeping key (5)
Type letters or click words in the clue