1960- 1998i-239 antiquities bicycletouring biography california care childcare childcareservices costs crime dean demographicsurveys discriminationinemployment earlychildhoodeducation economicconditions employerattitudesurveys equality excavations(archaeology) foreignworkers forensicmedicine forensicpathology guidebooks historicsites history identification immigrants lawenforcement local losangeles marineanimals marinebiology marineplants minorities orangecounty ornamentaltrees pictorialworks preschoolchildren racerelations scoville sheriffs socialconditions socialnetworks southern trees unskilledlabor w611ac2b641d1998