Columbia subject headings:
Byssinosis--Social aspects--United States.
Coal mines and mining--Health aspects--United States.
Cotton dust--Health aspects--United States.
Lungs--Dust diseases--Social aspects--United States.
Harvard subject headings:
Byssinosis--Social aspects--United States.
Coal mines and mining--Health aspects--United States.
Cotton dust--Health aspects--United States.
Lungs--Dust diseases--Social aspects--United States.
Princeton subject headings:
Byssinosis--Social aspects--United States.
Coal mines and mining--Hygienic aspects--United States.
Cotton dust--Hygienic aspects--United States.
Lungs--Dust diseases--Social aspects--United States.