This month is the first appearance of the FP shield and the last appearance of Bruns Publications, Inc.
Indicia (inside front cover):
WONDERWORLD COMICS, Vol. I, No. 4, Published monthly by Bruns Publications, Inc., V. S. Fox, President, 480 Lexington Avenue, New York, N. Y. Office of publication. 29 Worthington St., Springfield, Mass. Entered as second-class matter at the Post Office, New York, N. Y., under the act of March 3, 1879. Application for transfer of entry to the Post Office at Springfield, Mass., pending. Price 10 cents per copy. Subscription rates: 12 issues in the United States, and its possessions, Mexico, South America, Spain, $1.50. Elsewhere, $2.50. The Publisher accepts no responsibility for unsolicited material. Copyright 1939, by Bruns Publications, Inc. Printed in the U.S.A.
in Continuum (JMF, 2007 series) #3 (No Date [circa décembre 2007])
in Continuum (JMF, 2007 series) #7 (No Date [circa January 2009])Only appearance
in Blue Beetle (Fox, 1939 series) #1 ([Winter 1939-40])
in Continuum (JMF, 2007 series) #2 (No Date [circa 2007 Septembre])Artist revision from S. M. Iger to Jerry Iger by Craig Delich 2012-1-5 per Jim Amash in the Quality Companion (2011), page 13.
in Rex Dexter of Mars (Fox, 1940 series) #1 (Fall 1940)Text story with illustration.
in Samson (Fox, 1940 series) #2 (December 1940-January 1941)Only appearance
in Supermen! The First Wave of Comic Book Heroes 1936-1941 (Fantagraphics, 2009 series) #[nn] ([February 15] 2009)inside back cover