Abstract color studies form the Urban Abstracts portfolios Toyko 349aChicago 1491bChicago 1491aToyko 0012aHong Kong 8254acToyko 0285aBoston 8650New York 6273Chicago 953aMexico 5390bcNew York 0090Boston 8400aLas Vegas 1145aMiami 0650Chicago 1117Hong Kong 8287Miami 0937Toyko 0393Chicago 0891Chicago 1525Miami 0621abMiami 931abHong Kong 8316acSalt Lake 0200aSalt Lake 3212acHong Kong 7714bc