Allason, General, [86]

Allenby, General Sir Edmund, [22], [296]

American Army, co-operation of, with British Armies, [6], [25], [32], [37], [38], [39], [40], [41], [150-158], [161], [164], [166], [168], [169], [174], [175], [177], [178], [179], [181], [182], [183], [184], [185], [186], [187], [307-313]; advance in the Argonne, [293]; successful attack on the St. Mihiel salient, [293]; in Sedan, [293]

Americans reinforce the Allies on Western front, [2], [23]

Amerval, [231], [234]

Amiens, [26], [40], [45]

Ancre River, [31], [33], [39], [47], [81], [82], [84], [85], [86], [87], [89], [103], [120], [122], [124]

Angre, [274], [275]

Anneux, [215], [216], [217]

Ardres River, [6], [7], [9], [12], [14], [139]