This bibliography contains references to published materials on the issue of proportional representation elections -- focusing primarily on the United States. Many of these articles and books are by scholars in the field of electoral systems, and contain more reliable information and deeper analysis than is often found in readily available on-line sources. If you are really serious about learning about PR, you need to delve into these sources. Do not be put off by what might appear to be dated materials. The evidence and arguments in these sources are still valid today.
The bibliography is divided into the sections listed below. Individual entries may appear in more than one section.