2002 Energy [CODEBOOK](.pdf, 159kb) [DATASET](STATA, 436kb, EXCEL, 714kb,)

2003 Climate [CODEBOOK](.doc, 187kb) [DATASET](.dta, 550kb)

2005 PORTL Opinion Survey [CODEBOOK](.pdf, 250 kb) [DATASET](.xls, 1498 kb)

2005 Purple America Codebook Dataset