Columbia subject headings:
Domestic animals--Law and legislation--United States.
Liability (Law)--United States.
Railroad law--United States.
Railroads--United States--Crossings.
Railroads--United States--Right of way.
Harvard subject headings:
Domestic animals--United States.
Fences
Railroad crossings.
Railroad law--United States.
Railroads--Safety measures
Princeton subject headings:
Domestic animals--Law and legislation--United States.
Liability (Law)--United States.
Railroad law--United States.
Railroads--United States--Crossings.
Railroads--United States--Right of way.