I did a search and found his name attached to these periodicals as well according to the library of Michigan State.
"Bunce, Bill.
The Iron Horse Goes to War : a picture story about
railroads in the war between the states : how they first
became the great basic military asset that they are today /
Bill Bunce, art ; lettering by Lou Falcone. -- 1963? -- 15 p.
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Railroads Deliver the Goods! -- Washington, D.C. :
Association of American Railroads, 1960? -- 16 p. : col.
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Rails Across America. -- Washington, D.C. : School and
College Service, Association of American Railroads, 195? --
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Ride the High Iron! : A Picture Story about America's
Modern Passenger Trains. -- Washington, D.C. : School and
College Service, Association of American Railroads, 1955.
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The Wheel of Progress : How America's Railroads Help to
Keep the Wheels of Industry Turning. -- Washington, D.C. :
School and College Service, Association of American
Railroads, 1957? --
--------------------- Maybe I should try to get a complete set.