1911 Encyclopædia Britannica, Volume 13… (1911)
“ HAY FEVER, Hay Asthma, or Summer Catarrh, a catarrhal affection of the mucous membrane of the upper respiratory tract, due to the action of the pollen of certain grasses. It is often associated with asthmatic attacks. The disease affects certain families, and is hereditary in about one-third of the cases. It is more common among women than men, city than country dwellers, and the educated and highly nervous than the lower classes. ”
