Finger in a panel discussion at New York Academy Convention, August 14, 1966, transcribed in Hanerfeld, Mark (February 14, 1967). "Con-Tinued". Batmania. 1 (14): 8–9. Retrieved August 1, 2017. Page 8 archived and Page 9 archived from the originals on August 17, 2017.
Finger in a panel discussion at New York Academy Convention, August 14, 1966, transcribed in Hanerfeld, Mark (February 14, 1967). "Con-Tinued". Batmania. 1 (14): 8–9. Retrieved August 1, 2017. Page 8 archived and Page 9 archived from the originals on August 17, 2017.