72 - fictional detective with "Very British" first name!
73 - degree abbreviation + U(niversity) + dr + on + s(mall) (then look up resulting word - I had never heard of it!)
87 - subject of C&W song
90 Another word for hair with American soldier inserted backwards.
93 Anagram of deer came then look up synonym for resulting word.
In return Please can I have a clue for 18 - I don't have Chambers 10th edition and am absolutely stumped by this one.