Parkes, Edmund A.
1876. “Influenza” in Reynolds’ System of Medicine. I, 28.
Parsons, H. Franklin.
1893. Local Government Board Reports. C–6387 (1891) and C–7051 (1893).
1893. A further report on the influenza epidemics of 1889–90, 1891 and 1891–92. Local Government edition. London, 1893.
Parsons, H. C.
1919. Official report on the influenza epidemic 1918. Canad. Med. Ass. Jour., Toronto, IX, 351.
Pearl, Raymond.
1919. On certain general statistical aspects in the 1918 epidemic in American cities. Public Health Reports, Aug. 8, 1919.
Peck, J. H.