Fairchild dict. soc.: p. 101 (reciprocal relations between man and environment)

McGraw Hill dict. sci. tech.

Here are entered works on the relationship of humans to the natural environment. Works on the relationship of humans to their sociocultural environment are entered under Social ecology. Works on the composite of physical, biological, and social sciences concerned with the conditions of the environment and their effects are entered under Environmental sciences. Works on the interrelationships of organisms and their environment, including other organisms, are entered under Ecology.

Notes under Ecology; Environmental indexes; Environmental sciences; Social ecology