"History" . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Frederick Law Olmsted papers" . . . . . . . . . . . . . . . . . . . . . . . . . . . "Records and correspondence" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "World's Columbian Exposition (1893 : Chicago, Ill.)" . . . "United States" . . . . "Central Park (New York, N.Y.)" . . "California" . . "Mariposa (Calif.)" . . "Niagara Falls (N.Y. and Ont.)" . . "Olmsted Brothers." . .