Huxley 1863

Mayr 1950

McCown 1972

Spencer, Smith 1981

Weiner Et Al_1953

Stocking 1976

Abbott 1877

Holmes 1892

Squier,Davis 1848

Thomas 1887

Willey,Sabloff_1993

Hero Dot Us

Parkinson 1833

McKee 1944

Ferris 1988 ch12

Bennett Renaissance

Rudwick 1997 Selections

Steno 1667

Steno 1669

Rowe1966