Columbia subject headings:
Beaches--Maine--Old Orchard Beach--Pictorial works.
Hotels--Maine--Old Orchard Beach--Pictorial works.
Landscapes--Maine--Old Orchard Beach--Pictorial works.
Old Orchard Beach (Me.)--Pictorial works.
Parks--Maine--Old Orchard Beach--Pictorial works.
Railroad trains--Maine--Old Orchard Beach--Pictorial works.
Streetscapes (Urban design)--Maine--Old Orchard Beach--Pictorial works.
Harvard subject headings:
Old Orchard Beach (Me.)--Pictorial works.
Princeton subject headings: