Subject encyclopedias can provide a good starting place to familiarize yourself with a topic. They also provide bibliographies for further reading that show you some possible next steps for your research.
The Stanford Encyclopedia of Philosophy provides comprehensive topic overviews as well as extensive bibliographies for further reading. It is a core resource in Philosophy.
The Routledge Encyclopedia of Philosophy offers extensive overviews and bibliographies. When viewing an article summary, use the navigation to the left of the page to explore the full article and bibliography.
This resource features encyclopedia entries focused on evolution, supported by subject specialists and peer-reviewed by an editor and editorial board comprising of evolution experts. Click "Table of Contents" to browse or use the "within publication" search bar on the right.