Based on the Hanna-Barbera cartoon. Cover title for the series is "The Flintstones and Pebbles".
Indicia title is "Flintstones" for issues #1-5.
Indicia title is "The Flintstones" for issues #7, 9-23, 25-27, 29-50.
Indicia title is "Flintstones Summer Vacation" for issue #8.
Indicia titles for issues #6, 24, 28 are not yet known.