congress number
id number (ICPSR and Poole-Rosenthal corrections)
icpsr state code
congressional district number
name of state
party code 100=dem, 200=rep, 328=ind
icpsr occupancy code = 0 only occupant, =1 1st occup, =2 2nd occup
icpsr attain office = 1 gen elec, =2 spec. elec, =5 appoint
name of legislator