What is referred to by 'bos and herz'?

Based on the clue 'borrowed from boxing this expression means deliver...', what is the answer? Based on the clue 'borrowed from the german its a term for art exhibi...', what is the answer? Based on the clue 'borstal boy is the autobiography of this irish aut...', what is the answer? What is referred to by 'borstal boy playwright brendan'? What is associated with: bos boston 0915 nyp this station 1245? What is referred to by 'bosc seckel'? What is referred to by 'bosc comice asian'? Based on the clue 'boschs garden of earthly delights is one of these ...', what is the answer?