J. A. Robertson:
Hay Barn, Planting Fields Arboretum, Oyster Bay, New York
J. A. Robertson:
Orchid, Planting Fields Arboretum, Oyster Bay, New York
J. A. Robertson:
Orchids, Planting Fields Arboretum, Oyster Bay, New York
J. A. Robertson:
First Presbyterian Church (1873), Oyster Bay, New York
J. A. Robertson:
Cold Spring Harbor, New York
J. A. Robertson:
Nantucket Lightship LV-112 (1935), Oyster Bay, New York
J. A. Robertson:
Sagamore Hill National Historic Site (1884), Oyster Bay, New York
J. A. Robertson:
Bailey Arboretum, Lattingtown, New York,
J. A. Robertson:
Bailey Arboretum, Lattingtown, New York,
J. A. Robertson:
Bailey Arboretum, Lattingtown, New York,
J. A. Robertson:
Bailey Arboretum, Lattingtown, New York,
J. A. Robertson:
Very Late Rose, Bailey Arboretum, Lattingtown, New York,
J. A. Robertson:
Bailey Arboretum, Lattingtown, New York,
J. A. Robertson:
Bailey Arboretum, Lattingtown, New York,
J. A. Robertson:
Nassau County Museum of Art, Roslyn Harbor, New York
J. A. Robertson:
Milliken-Bevin Trellis, Grounds of the Nassau County Museum of Art, Roslyn Harbor, New York
J. A. Robertson:
Grounds of the Nassau County Museum of Art, Roslyn Harbor, New York
J. A. Robertson:
Grounds of the Nassau County Museum of Art, Roslyn Harbor, New York
J. A. Robertson:
Grounds of the Nassau County Museum of Art, Roslyn Harbor, New York
J. A. Robertson:
Grounds of the Nassau County Museum of Art, Roslyn Harbor, New York
J. A. Robertson:
Autumn Color, Grounds of the Nassau County Museum of Art, Roslyn Harbor, New York
J. A. Robertson:
Grounds of the Nassau County Museum of Art, Roslyn Harbor, New York
J. A. Robertson:
Grounds of the Nassau County Museum of Art, Roslyn Harbor, New York
J. A. Robertson:
Clark Botanic Gardens, Albertson, New York
J. A. Robertson:
Clark Botanic Gardens, Albertson, New York
J. A. Robertson:
Clark Botanic Gardens, Albertson, New York
J. A. Robertson:
Gerry Park. Roslyn, New York
J. A. Robertson:
Roslyn, New York
J. A. Robertson:
Gerry Park. Roslyn, New York
J. A. Robertson:
Gerry Park. Roslyn, New York
