1938-11-10 - 0002 - The Story of the Post Office
1938-11-17 - 0003 - The Story of the Telephone
1938-11-24 - 0004 - The Story of the Telegraph
1938-12-01 - 0005 - The History of Motion Pictures
1938-12-08 - 0006 - The Radio
1938-12-15 - 0007 - The Sailing Ship
1938-12-22 - 0008 - The Story of the Steamship
1939-01-05 - 0010 - The Story of the Automobile
1939-01-12 - 0011 - The Story of the Airplane
1939-01-19 - 0012 - The Story of Bridges and Tunnels
1939-01-26 - 0013 - The Story About Early Railroads
1939-02-02 - 0014 - The Streamlined Train - the Story of the Railroads Today
1939-03-23 - 0021 - The Story of the Panama Canal
1939-05-29 - 0000 - Hidden Trails and Mountain Passes - the Highways of the Pioneers
1939-xx-xx - 0000 - The Story of Subways