* xx/xx/xx    6 Music By George M. Cohan
* xx/xx/xx    7 Thomas Alva Edison
* xx/xx/xx    8 James Fennimore Cooper
* xx/xx/xx    9 Lowell Mason
* xx/xx/xx   11 The Civil War
* xx/xx/xx   12 Alaska
* xx/xx/xx   13 Hawaii and Samoa
* xx/xx/xx   14 Neighbor Nations Of The Western Hemisphere
* xx/xx/xx   18 Music Of Time
* xx/xx/xx   19 Music Map Of America
* xx/xx/xx   20 Chicago
* xx/xx/xx   21 New York
* xx/xx/xx   22 Hollywood
* xx/xx/xx   23 San Francisco