. . . "0000000120291907" . "2001-02-26" . "2013-07-31" . . . . "1961"^^ . . . . . . "2013-07-31"^^ . . . "VIAF" . . "13608155"^^ . . . . . . . "Gary D." . . . "Leadership in the trenches : officer-man relations, morale and discipline in the British Army in the era of the First World War / G. D. Sheffield, 2000. - . - BLNA, 1999-11. - . -"@fr . . . . . "Gary D. Sheffield"@fr . . "Gary D. Sheffield" . . . . . . . . . "Sheffield" . .