found: His Small boy is listening, 1959.
found: Zemach, Harve. The speckled hen, 1966:title page (adapted by Harve Zemach ; illustrated by Margot Zemach)
found: Zemach, Harve. The judge, 1969:title page (by Harve Zemach ; with pictures by Margot Zemach)
found: Biography in Context, accessed via subscription, October 17, 2016:"Harvey Fischtrom." Contemporary Authors Online. Detroit: Gale, 2000 (Born: 1933 in Newark, New Jersey, United States ; Died: 1974 ; Born: 1933 in Newark, New Jersey, United States ... WRITINGS BY THE AUTHOR: Under pseudonym Harve Zemach; all juveniles; illustrated by his wife, Margot Zemach ... Instructor in history and social science at Boston University, College of Basic Studies, Boston, Mass., 1960-65, and University of Massachusetts, Amherst, beginning 1965. Author of juvenile books ... Born December 5, 1933, in Newark, N.J.; died November 2, 1974 ...)
found: ProQuest, accessed via subscription, October 17, 2016:"Harvey Fischtrom, Writer Of Children's Books, Dead" New York Times (1923-Current file) [New York, N.Y] 05 Nov 1974: 39 (Harvey Fischtrom, a teacher of history and social science, who under the name of Harve Zemach became a successful writer of stories for children, died Saturday in London, where he had been living since 1970. His age was 40 ...)