▁Institute ▁of ▁Chicago , ▁Chicago , ▁IL ▁Ban que ▁Par ib as , ▁Paris , ▁France ▁Car neg ie ▁Art ▁Museum , ▁Pitts burgh , ▁PA ▁J P ▁Morgan ▁Ch ase ▁Bank , ▁New ▁York , ▁NY ▁Chem ical ▁Bank , ▁New ▁York , ▁NY ▁General ▁Electric , ▁Fair field , ▁CT ▁L annon ▁Foundation , ▁Pal m ▁Beach , ▁F L ▁M int ▁Museum ▁of ▁Art , ▁Charlotte , ▁NC ▁Musée ▁Cant onal ▁des ▁Be aux - Ar ts , ▁La us anne , ▁Switzerland ▁Musée ▁de ▁P onto ise , ▁Paris , ▁France ▁Musée ▁d ’ Art , ▁Gren o ble , ▁France ▁Musée ▁d ’ In gres , ▁Mont - A ub an , ▁France ▁Musée ▁National ▁d ’ Ar ts ▁Mod erne , ▁Centre ▁Pom pid ou , ▁Paris , ▁France ▁Na um burg ▁Collection , ▁Pr inc eton ▁University ▁Library Pr inc eton , ▁N J ▁National ▁Museum , ▁Os lo , ▁Norway ▁Pr inc eton ▁University ▁Museum , ▁Pr inc eton , ▁N J ▁Phill ips ▁Collection , ▁Washington , ▁D . C . ▁Phill ip ▁Morris , ▁New ▁York , ▁NY ▁Pitts burgh ▁Museum , ▁Pitts burgh , ▁PA ▁Prov inc et own ▁Art ▁Association ▁and ▁Museum , ▁Prov inc et own , ▁MA ▁She ar son ▁Le h man ▁Brothers ▁American ▁Express , ▁New ▁York , ▁NY ▁The ▁Re ader ’ s ▁Dig est , ▁Ple asant ville , ▁NY ▁Union ▁Car b ide ▁Corporation , ▁New ▁York , ▁NY ▁US C ▁Fish er ▁Gallery