Some categores are mostly grouped together on the same bookcase, but I long ago gave up moving books around to keep any particular order in the physical locationof the books.
I keep the Word Table alphabetical, but that isn't really necessary, since it's simpler to use Word Find feature, and one can re-order the Table with a couple of key strokes if one nees a particular order.
Jan has copied it into spreadsheet for her purposes -- we'll be graduallyselling of a thousand or so of them since they are of little use to me any longer.
Carrol