| A glasse for the times: wherein is represented the malady and remedy of divisions (1650) by Lazarus Seaman | | |
| A letter from Sir Arthur Hesilrige, to the honorable committee of the Councel of State for Irish and Scotish affairs at White-Hall, concerning the Scots prisoners (1650) by Arthur Hesilrige | | |
| A pack of old Puritans (1650) by John Dury | | |
| A second parcel of obiections against the taking of the engagement answered (1650) by John Dury | | |
| A true relation of Mr. Iohn Cook’s passage by sea from Wexford to Kinsale in that great storm Ianuary 5 (1650) by John Cook | | |
| A view of some exceptions to the practical catechisme (1650) by Henry Hammond | | |
| A vindication of ordinances (1650) by William Bridge | | |
| An exposition upon the eighth, ninth, and tenth chapters of the prophesy of Hosea (1650) by Jeremiah Burroughs | | |
| An exposition upon the fourth, fifth, sixth, and seventh chapters of the prophesy of Hosea (1650) by Jeremiah Burroughs | | |
| Animalis homo (1650) by Edward Reynolds | | |
| Annales Veteris Testamenti, a prima mundi origine deducti (1650) by James Ussher | | |
| Christos kai Kerdos. Christ the life, and death the gain, of every true beleever (1650) by Obadiah Sedgwick | | |
| Hunc librum (1650) by Obadiah Sedgwick | | |
| Ievves in America, or, Probabilities that the Americans are of that race (1650) by Thomas Thorowgood | | |
| Just re-proposals to humble proposals (1650) by John Dury | | |
| Objections against the taking of the engagement answered (1650) by John Dury | | |
| Of the reasonableness of Christian religion (1650) by Henry Hammond | | |
| Principles of faith & good conscience; digested into a catecheticall form (1650) by William Lyford | | |
| The comings forth of Christ in the power of his death (1650) by Peter Sterry | | |
| The divine trinunity of the Father, Son, and Holy Spirit (1650) by Francis Cheynell | | |
| The picklock of the old Fenne project (1650) by John Maynard | | |
| The reformed librarie-keeper (1650) by John Dury | | |
| The unchanged, constant and single-hearted peace-maker drawn forth into the world (1650) by John Dury | | |