Mezue nkebi ahịrịokwu a: N'ime ndị o sere, e nwere Martin A. Ryerson, J. Ogden Armour, N. W. Harris, Harry P. Judson, na Peter S. Grosscup. O nwetara ihe nrite ọlaọcha na
Saint Louis Exposition na 1904; ihe nrite ọla edo na International Exposition, Munich, na 1905, na na Paris Salon na 1913 (onye America mbụ a na-asọpụrụ); ma nye ya ihe nrite nke nsọpụrụ na Panama <unk> Pacific International Exposition na 1915. Parker bụkwa onye isi ụlọ ọrụ Rodin Studios, nke mepụtara ụlọ ọrụ na-arụkọ ọrụ ọnụ nke otu aha na New York City.