"Dates of original publication: Four Color #882, 1957; #920, 1958; #933, 1958; #960, 1958; #976, 1959; #1003, June, 1959; and Zorro #12, December, 1960"--Title page verso.
Alex Toth's Zorro : the complete Dell Comics adventures by Alex Toth. ISBN 9781613450314. Published by Hermes Press in 2013. Publication and catalogue information, links to buy online and reader comments.