Luis, El O.
Ang puti at ang itim na kahilingan / Kuwento ni El O. Luis ; - [Place of publication not identified] : S.G.E. Publishing, Inc., [date of publication not identified]. - 32 pages : color illustrations.
Ang puti at ang itim na kahilingan / Kuwento ni El O. Luis ; - [Place of publication not identified] : S.G.E. Publishing, Inc., [date of publication not identified]. - 32 pages : color illustrations.