(13a) Novice left in a state in Austria when learner absconds. (4) _ Y _ _ .
(18a) Bigamy overturned by departing old monarchs. (4) _ A _ _ .
(20a) Could such a tiny thing lead to an exclusively Irish swear-word about the end of April. (5) _ L _ C _ .
(28a) Despite going crazy, give assurance that one is alright. (4) A _ O _ .
(50a) Such spirit adds nothing to broken bone. (4) _ R _ O.
(57a) Princess's return should make it easier to go .... (5) S _ N _ A.
(61a) It's not often found in part of sub-Saharan capital. (4) R _ R _ .
(65a) In other words carry fathead away and cut into it. (4) E _ C _ .