Original Letters Illustrative of English History ... from autographs in the British Museum. With notes by Henry Ellis, Keeper of MSS. in the British Museum. London, 1844.
Overbury, Sir Thomas. Sir Thomas Overbury, His Wife, with additions of New Newes, and divers more Characters (never before annexed) written by himself and other learned gentlemen. The tenth impression augmented. London, 1618.
----Sir Thomas Overbury, his Observations in his Travailes upon the State of the XVII. Provinces as they stood Anno Dom. 1609. [London], 1626.
Owen, Lewis. The Running Register: Recording a True Relation of the State of the English Colledges, Seminaries and Cloysters in all forraine parts. London, 1626.
Pace, Richard. Richardi Pacei invictissimi regis angliæ primarii secretarii, eiusque apud Elvetios oratoris, De Fructu qui ex Doctrina percipitur, liber. In Inclyta Basilea (1517).
Paulet, Sir Amias. Copy-Book of Sir Amias Paulet's Letters written during his Embassy to France, A.D. 1577. From MS. in the Bodleian, edited by O. Ogle for the Roxburghe Club. 1866.
Penn, William. An Account of W. Penn's Travails in Holland and Germany Anno MDCLXXVII. For the Service of the Gospel of Christ, by way of Journal. Containing also Divers Letters and Epistles unto several Great and Eminent Persons whilst there. London, 1694.
Pilgrim-Book of the Ancient English Hospice attached to the English College at Rome from 1580-1656, and Diary of the same college 1578-1773, printed by Henry Foley in Records of the English Province of the Society of Jesus, vol. vi.
Pluvinel, Antoine. Le Maneige Royal ou lon peut remarquer le defaut et la perfection du chevalier, en tous les exercices de cet art, digne de Princes, fait et pratiqué en l'instruction du Roy par Antoine Pluvinel son Escuyer Principal, Conseiller en son Conseil d'Estat, son Chambellan ordinaire, et Sous-Gouverneur de sa Majesté. Le tout gravè et representé en grandes figures de taille douce par Crispian de Pas, Flamand, à l'honneur du Roy, et à la memoire de Monsieur de Pluvinel. Paris, 1624.
Raymond, John. Il Mercurio Italico, Communicating a Voyage made through Italy in the yeares 1646 and 1647 by J.R., Gent. London, 1648.