"Spectre Voices (DC Universe)". Behind The Voice Actors. Retrieved May 25, 2024. A green check mark indicates that a role has been confirmed using a screenshot (or collage of screenshots) of a title's list of voice actors and their respective characters found in its credits or other reliable sources of information.
Initially, in collaboration with artist Russell Carley, who provided art breakdowns for Fleisher's scripts, (see, for instance The House of Mystery #218 (October 1973): "The Abominable Ivy") and other Fleisher 1973–1974 stories at the Grand Comics Database
