3. The Great Favourite, or the Duke of Lerma, a Tragi-Comedy, acted at the theatre-royal 1668. This play was criticised by Mr. Dryden.
4. The Indian Queen, a Tragedy.
5. Surprizal, a Tragi-comedy, acted at the theatre royal 1665.
6. The Vestal Virgin; or the Roman Ladies, a Tragedy, 1665. In his prologue to this play, Sir Robert has the following couplet, meant as an answer to Dryden's animadversions on the Duke of Lerma.
This doth a wretched dearth of wit betray,
When things of kind on one another prey.
He has written likewise,
The History of the Reigns of Edward and Richard II. with Reflections and
Characters on their chief ministers and favourites. As also a comparison
between these princes Edward and Richard II. with Edward I. and Edward
III. London printed 1690.
A Letter to Mr. Samuel Johnson, occasioned by a scurrilous pamphlet, entitled, Animadversions on Mr. Johnson's Answer to Jovian, in three Letters to a country friend, Lond. 1692. At the end of this letter is reprinted the preface before the history of the reigns of Edward and Richard II. before mentioned.
The History of Religion, Lond. 1694.
The 4th book of Virgil translated into English, which contains the loves of Dido and Æneas, 1660.