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1915 20th_century abstract_background ambiguous_gender ancient_art armor bull_terrier bulldog canid canine canis card_template clothed clothing dachshund domestic_dog english_text flag france fur german_empire germany hat headgear headwear helmet hi_res hunting_dog kepi looking_at_viewer mammal mastiff military_cap military_hat military_uniform molosser postcard russian russian_empire simple_background solo terrier text tongue tongue_out uniform united_kingdom united_states_of_america wallace_robinson white_body white_fur wolfhound world_war_1