- Jacob Kaplan's very helpful book
- Jacob Kaplan's very helpful hosting of NIBRS data on ICPSR. This is the NIBRS data I will be using for all analyses.
- Jacob Kaplan's new website where he now hosts the data
- When checking which agencies report each month, I check to see if that agency reported at least one crime in that month. This is unfortunate because if an agency had no reported crime in a given month, then I wind up dropping it as not reporting when in reality it did report, no reported crime.