ionacarr, thanks for your help and encouragement. I shall press on, but the prospect of staring for ages at potential letter pairs doesn't exactly thrill me.
unclued, you have the right answer to 7d. HE needs the answer (read as two entities) to make 'that lady'.
orson, the old word for know is sometimes used whimsically today - 'I ___ not' for 'I don't know'.
For 29d, if you have Chambers CD Rome version enter Hebrew in the all-text search, then scan for a word that is equivalent to 8 or 12 logs. If you don't have that, then consult Bradford's list of measures (3 letters).