from "The Trick Is to Treat All the World's Children!" PSA in DC Comics cover-dated December 1957, script by Jack Schiff, pencils and inks by Ruben Moreira, letters by Ira Schnapp
How well can you guess random facts about the fact that everyone in our country except Native Americans are immigrants?
"Special Brotherhood Week Quiz" PSA from DC Comics cover-dated March 1957, script by Jack Schiff (?), pencils and inks by Ruben Moreira, letters by Ira Schnapp
"You Get What You Vote For" PSA printed in DC Comics cover-dated November 1952 and January 1964, script by Jack Schiff, pencils and inks by Win Mortimer, letters by Ira Schnapp
DC Comics alphabet house ads
U: from Action Comics #110 (July 1947)
V: from Detective Comics #126 (August 1947)
W: from Detective Comics #127 (September 1947)
X: from Batman #43 (October 1947)