00319nam a2200109u  4500082001900000245007000019260002300089300001700112526003700129526003700166650000600203  a623.26bWORcD04aThe work of the Royal engineers in the European war, 1914-19 ...   aChatham,c1921-22.  a7 v.c25 cm.  a0b0c0d623_260000000000000_WOR  a0b0c0d623_260000000000000_WOR  aD