Four temperaments (Topical Term)

Extraversion, neuroticism and the four temperaments of antiquity : an investigation of physiological correlates, 1998: p. 1 (the four classical temperaments attributed to Hippocrates, sanguine, choleric, phlegmatic and melancholic)

The optick glasse of humors, or, The touchstone of a golden temperature, or, The philosophers stone to make a golden temper : wherein the four complexions sanguine, cholericke, phlegmaticke, melancholicke are succinctly painted forth, 1607.

Here are entered works on the classical and medieval theory of four temperaments or personality types: sanguine, choleric, phlegmatic and melancholic.