J. A. Robertson:
Union Station, New Haven, Connecticut
J. A. Robertson:
Schreeder Pond, Chatfield Hollow State Park, Killingworth, Connecticut
J. A. Robertson:
Leaving Essex Behind
J. A. Robertson:
Nicobar Pigeon, World of Birds, Bronx Zoo, New York, New York
J. A. Robertson:
New York Botanic Garden, Bronx, New York
J. A. Robertson:
New York Botanic Garden, Bronx, New York
J. A. Robertson:
New York Botanic Garden, Bronx, New York
J. A. Robertson:
New York Botanic Garden, Bronx, New York
J. A. Robertson:
New York Botanic Garden, Bronx, New York
J. A. Robertson:
New York Botanic Garden, Bronx, New York
J. A. Robertson:
Daffodil Hill, New York Botanic Garden, Bronx, New York
J. A. Robertson:
Playhouse, Planting Fields Arboretum, Oyster Bay, New York
J. A. Robertson:
Planting Fields Arboretum, Oyster Bay, New York
J. A. Robertson:
Dahlia, Planting Fields Arboretum, Oyster Bay, New York
J. A. Robertson:
Yellow Mimosa on a Coneflower
J. A. Robertson:
Great Falls Reservoir, Connecticut
J. A. Robertson:
Mill River, East Rock Park, New Haven, Connecticut
J. A. Robertson:
Portland Head Light, Cape Elizabeth, Maine
J. A. Robertson:
Planting Fields Arboretum, Oyster Bay, New York
J. A. Robertson:
The Coal Shed, Eli Whitney Museum & Workshop, Hamden, Connecticut
J. A. Robertson:
Zinnia, Old Westbury Gardens, Old Westbury, New York
J. A. Robertson:
Old Westbury Gardens, Old Westbury, New York
J. A. Robertson:
Planting Fields Arboretum, Oyster Bay, New York
J. A. Robertson:
Dahlia, Old Westbury Gardens, Old Westbury, New York
J. A. Robertson:
Dahlia, Old Westbury Gardens, Old Westbury, New York
J. A. Robertson:
Dahlia, Old Westbury Gardens, Old Westbury, New York
J. A. Robertson:
Old Westbury Gardens, Old Westbury, New York
J. A. Robertson:
Lower Ansonia Reservoir, Derby, Connecticut
J. A. Robertson:
Dahlia, Planting Fields Arboretum, Oyster bay, New York