. . . . . . . . . . "Actions on the Hindenburg Line" . "German retreat to the Hindenburg Line" . . . . . . . . "Hindenburg Outpost Line" . . . . . . . . "Hindenburg Line" . . . "Hindenberg Line" . . . . . "Advance to the Hindenburg Line" . . . . . . "Hindenburg line" . . . . "Hindenburg" . . . . . . . . . . . . "Jeancourt" . . . . . . "HINDENBURG LINE" . . . . . "Hindenburg Main Line" . "Siegfried-Stellung line" . . . . . . . . . . . . . "United Kingdom" . . . . . . . . . "Hindenburg Support Line" . . . . . . . . . . . . . . "Pursuit to the Hindenburg Line" . . . . . . . . . "Battles of the Hindenburg Line" . . . . . . . . . . . . . "Hindenburg Line" . . . . . . "this important battle front" . "Battles for the Hindenburg Line" . "Hindenburg Line Campaign" . . . . . "Hindenburg Defences" . . . . . . "Battle of the Hindenburg Line" . . . "Hindenburg outpost-line" . . . . . "Siegfried Line" . . . . . . . . "Alberich Bewegung" . . . .