# Evolutional Ethics and Animal Psychology

> 1897 book by Edward Payson Evans

**Wikidata**: [Q109000989](https://www.wikidata.org/wiki/Q109000989)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Evolutional_Ethics_and_Animal_Psychology)  
**Source**: https://4ort.xyz/entity/evolutional-ethics-and-animal-psychology