Complex sentence: This error has persisted in several works including "The Complete Index to Literary Sources in Film"; cameramen employed by the company during this era included Blair Smith, Carl Louis Gregory, and Alfred H. Moses, Jr. though none are specifically credited.
Split into simpler sentences: This error has persisted in several works including "The Complete Index to Literary Sources in Film". Cameramen employed by the company during this era included Blair Smith, Carl Louis Gregory, and Alfred H. Moses, Jr. though none are specifically credited.