Don't kill our wildlife – American poster

The National Parks preserve all life – American poster

The National Parks preserve wild life – American poster

Don't kill our wild life, WPA poster, 1936-40

Strike down this monster! — American World War Two poster

Eat more fish, they feed themselves — American World War One poster

Don't let that shadow touch them — American World War Two posters

Get your teeth into the job — Canadian World War Two poster

Eagle poster, United States, World War I (POSTERS 76)

Don't mix em – American poster

Don't make his job easier — American anti-Soviet poster

Don't talk yourself to death — American World War Two poster

US World War 2 poster "AMERICA NEEDS MORE MEAT - YOUR FARM CAN HELP"