Complex sentence: Included in this volume were "The Library", "The Newspaper", and "The Village"; the principal new poem was "The Parish Register", to which were added "Sir Eustace Grey" and "The Hall of Justice".
Split into simpler sentences: Included in this volume were "The Library", "The Newspaper", and "The Village". The principal new poem was "The Parish Register", to which were added "Sir Eustace Grey" and "The Hall of Justice".