John Newton Howitt
Source: "John Newton Howitt Bibliography." Author Wars, https://authorwars.com/authors/john-newton-howitt.html".
Titles:
Cover Art
- Unknown. Horror Stories, August 1935
- Unknown. Horror Stories, July 1935
- Unknown. Horror Stories, November 1935
- 1929. Collier's, May 4, 1929
- 1935. Adventure, May 1, 1935
- 2017. Death in the Dark
Interior Art
- Unknown. Dime Mystery Magazine, April 1934 (cover)
- Unknown. Horror Stories, April-May 1936 (cover)
- Unknown. Horror Stories, December 1935 (cover)
- Unknown. Horror Stories, February-March 1936 (cover)
- Unknown. Horror Stories, January 1935 (cover)
- Unknown. Operator #5, April 1936 (cover)
- Unknown. Operator #5, August-September 1936 (cover)
- Unknown. Operator #5, May 1934 (cover)
- Unknown. Operator #5, November 1934 (cover)
- Unknown. Operator #5, October 1935 (cover)
- Unknown. River of Pain
- Unknown. Startling Mystery Magazine, February 1940 (cover)
- Unknown. Terror Tales, August 1935 (cover)
- Unknown. Terror Tales, January 1936 (cover)
- Unknown. Terror Tales, July-August 1936 (cover)
- Unknown. Terror Tales, October 1934 (cover)
- Unknown. Terror Tales, October 1935 (cover)
- Unknown. The Octopus, February 1939 (cover)
- Unknown. The Scorpion, April-May 1939 (cover)
- Unknown. The Spider, November 1937 (cover)
- 2009. Scourge of the Black Legions
- 2009. The City That Paid to Die
- 2009. The Spider at Bay