Astounding Stories, August, 1931
Published: (2010)

Astounding Stories, June, 1931
Published: (2010)

Astounding Stories of Super-Science January 1931
Published: (2009)

Astounding Stories of Super-Science April 1930
by: Pelcher, Anthony, 1897-1981
Published: (2009)

Astounding Stories of Super-Science, October, 1930
Published: (2009)

Astounding Stories of Super-Science September 1930
Published: (2009)

Astounding Stories of Super-Science July 1930
Published: (2009)

Astounding Stories of Super-Science, June, 1930
Published: (2009)

Astounding Stories of Super-Science, March 1930
Published: (2009)

Astounding Stories of Super-Science, December 1930
Published: (2009)

Astounding Stories of Super-Science, August 1930
Published: (2009)

Astounding Stories of Super-Science February 1930
Published: (2009)

Astounding Stories of Super-Science, May, 1930
Published: (2009)

Astounding Stories of Super-Science, November, 1930
Published: (2009)

The Philadelphia Magazines and their Contributors 1741-1850
by: Smyth, Albert Henry, 1863-1907
Published: (2008)

Scientific American Supplement, No. 483, April 4, 1885
Published: (2004)

Scientific American Supplement, No. 799, April 25, 1891
Published: (2004)

Scientific American Supplement, No. 484, April 11, 1885
Published: (2004)

Scientific American Supplement, No. 275, April 9, 1881
Published: (2005)

Scientific American Supplement, No. 433, April 19, 1884
Published: (2005)

Scientific American Supplement, No. 643, April 28, 1888
Published: (2005)

Buchanan's Journal of Man, April 1887 Volume 1, Number 3
Published: (2008)

The Christian Foundation, Or, Scientific and Religious Journal, April, 1880
Published: (2009)

The Galaxy, April, 1877 Vol. XXIII.-April, 1877.-No. 4.
Published: (2010)

McClure's Magazine, Vol. 6, No. 5, April, 1896
Published: (2005)

Mr. Dooley: In the Hearts of His Countrymen
by: Dunne, Finley Peter, 1867-1936
Published: (2004)

Harper's New Monthly Magazine, No. XI.-April, 1851-Vol. II.
Published: (2012)

The Atlantic Monthly, Volume 15, No. 90, April, 1865 A Magazine of Literature, Art, and Politics
Published: (2009)

The Atlantic Monthly, Volume 11, No. 66, April, 1863 A Magazine of Literature, Art, and Politics
Published: (2004)

The Atlantic Monthly, Volume 09, No. 54, April, 1862 A Magazine of Literature, Art, and Politics
Published: (2004)

The Atlantic Monthly, Volume 13, No. 78, April, 1864 A Magazine of Literature, Art, and Politics
Published: (2005)

The Atlantic Monthly, Volume 07, No. 42, April, 1861 A Magazine of Literature, Art, and Politics
Published: (2004)

The Atlantic Monthly, Volume 03, No. 18, April, 1859 A Magazine of Literature, Art, and Politics
Published: (2004)

The Atlantic Monthly, Volume 05, No. 30, April, 1860 A Magazine of Literature, Art, and Politics
Published: (2005)

The Atlantic Monthly, Volume 17, No. 102, April, 1866 A Magazine of Literature, Science, Art, and Politics
Published: (2007)

Harper's New Monthly Magazine, No. XXIII.-April, 1852.-Vol. IV. None
Published: (2012)