Uncle Sam Quarterly #2

1.  Raiders of the Deep
With - Uncle Sam 

2.  War In Kid-Land
With - Uncle Sam 

3.  The Villains' Revolt, or, Who Swiped My Comic Book?
With - Uncle Sam 

4.  The Fiddler of Death
With - Uncle Sam 

5.  [The Origin of Margo]
With - Margo the Magician 

    First (and only?) appearance

6.  Uncle Sam Tells Buddy Who He Is and How He Came To Be
With - Uncle Sam 

7.  The Return of King Killer
With - Uncle Sam