Box-Steffensmeier, Janet M., Peter M. Radcliffe, and Brandon L. Bartels. 2005. “The Incidence and Timing of PAC Contributions to Incumbent U.S. House Members, 1993-94.” Legislative Studies Quarterly 30(November): 549-79.
Data and Replication Materials (.zip file containing data files in Stata format, .do files, and a README file with instructions for replication)