The mystery of the secret message

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
17126975323958178575285016306Hill119BPFW036956MYSTERY FIC WAR100015825759371662467957
21238115687150223575285016306HIVE259HIVE055355FIC MYSTERY WAR100015825759371709307855