Herbie #4 was published by American Comics Group on September 1, 1964, as part of a series that began in 1964. Richard Hughes writes, and art comes from Ogden Whitney. This 36-page issue features Wyatt Earp, Doc Holliday, Herbert Popnecker, Pincus Popnecker and Mrs. Popnecker, among 6 characters catalogued on VerseDB.