Gary Goertz has kindly made available a pre-publication draft of his forthcoming book. Multimethod Research, Causal Mechanisms, and Case Studies: An Integrated Approach will be published by Princeton University Press this coming July.

Zotero is a free and open-source reference manager. We have created a Zotero library for the WP series. The library is public; anybody may browse and download working papers. If you use Zotero and wish to add the library to your installation, log into the Zotero website and then click the “Join” button on the group page. For more details, please see the WP Series page.