Crowdsourced PoliticsAriadne Vromen, Darren Halpin, Michael Vaughan · First published 2022Open the Tome
The Organization Ecology of Interest CommunitiesDarren Halpin, David Lowery, Virginia Gray · First published 2015Open the Tome
The scale of interest organization in democratic politicsDarren Halpin, A. G. Jordan · First published 2012Open the Tome
