19thcentury 20thcentury administration agriculture annalea biography bridges business chemists competition correspondence correspondencebridges economics employees english food foodadditives foodindustry foodindustryandtrade foodinspectors foodlawandlegislation foodpolicy governmentpolicy harveywashington history industries lawandlegislation merritt painters poets politicalscience publicaffairs publicpolicy robert safetymeasures safetyregulations socialscience unfair unitedstates wiley womenpainters