1991 and 2005 editions, and subsequent updates

DATA FROM DIVIDED WE GOVERN (1947-1990)

Information on Sweeps #1 and #2, 1947-1990.

List of investigations, 1947 – 1990 (pp. 13-25).

Dates of investigation stories, 1947 – 2002.

List of important enactments, 1947 – 1990 (pp. 52-73).

Final-passage votes on roll calls used, 1947-1990. (Excel format)

Code guide to final-passage dataset, 1947-1990.

Dataset for equation (p. 177). (Excel format)

UPDATES TO DIVIDED WE GOVERN (through 2012)

List of important enactments, 1991 – 2002.

Comments on selecting enactments, 1991 – 2002.

Sweep #1 sources for enactments, 1991 – 2002.

Final-passage votes on roll calls used, 1991 – 2002. (Excel format)

Code guide to final-passage dataset, 1991 – 2002.

List of investigations, 1991 – 2002.

List of important enactments, 2003 – 2004.

List of important enactments, 2005 – 2006.

List of important enactments, 2007 – 2008.

List of important enactments, 2009 – 2010.

List of important enactments, 2011 – 2012.

List of important enactments, 2013 – 2014

List of important enactments, 2015 – 2016

List of important enactments, 2017-2018

List of important enactments, 2019-2020

List of important enactments, 2021-2022

Full twenty-year list of important enactments, 1991 – 2014 (credit to R. Douglas Arnold and Helene Wood).

Final-passage votes on roll calls used, 2003-2012. (Excel format)