00281nam a2200097 a 4500001000500000005001700005008004100022050002400063100002500087245007100112414420140414131936.0090317s19uu    xx            00    eng d  aREF 940.1bSt3 1994  aSteele, Philip, 1948  aI wonder why castles had moats and other questions about long ago.