Against the Valentinians - Alexander Roberts translation, with notes. From the Ante-Nicene Fathers, vol. 3, American edition. About 100K. - http://www.ccel.org/ccel/schaff/anf03.v.vi.html
The Five Books Against Marcion - Tertullian at his sarcastic best. Peter Holmes translation, from the Ante-Nicene Fathers, vol. 3, American edition. Translator's introduction and each book in its own file, with notes, and links to previous, next, table of contents. - http://www.ccel.org/ccel/schaff/anf03.v.iv.html
The Prescription Against Heretics - Peter Holmes translation, with notes. From the Ante-Nicene Fathers, vol. 3, American edition. 132K. - http://www.ccel.org/ccel/schaff/anf03.v.iii.html
A Treatise on the Soul - Peter Holmes translation, with notes. From the Ante-Nicene Fathers, vol. 3, American edition. 268K. - http://www.ccel.org/ccel/schaff/anf03.iv.xi.html
The Soul's Testimony - Short. S. Thelwall translation, with notes. From the Ante-Nicene Fathers, vol. 3, American edition. - http://www.ccel.org/ccel/schaff/anf03.iv.x.html
An Answer to the Jews - S. Thelwall translation, with notes. From the Ante-Nicene Fathers, vol. 3, American edition. - http://www.ccel.org/ccel/schaff/anf03.iv.ix.html
De Fuga in Persecutione - Whether Christians ought to flee persecution. S. Thelwall translation, with notes. From the Ante-Nicene Fathers, vol. 4, American edition. - http://www.ccel.org/ccel/schaff/anf04.iii.x.html
On Fasting: In Opposition to the Psychics - Written during Tertullian's Montanist years, defends the Montanist practice of frequent fasting. S. Thelwall translation, with notes. From the Ante-Nicene Fathers, vol. 4, American edition. - http://www.ccel.org/ccel/schaff/anf04.iii.ix.html
On Modesty - S. Thelwall translation, with notes. From the Ante-Nicene Fathers, vol. 4, American edition. - http://www.ccel.org/ccel/schaff/anf04.iii.viii.html
On Monogamy - S. Thelwall translation, with notes. From the Ante-Nicene Fathers, vol. 4, American edition. - http://www.ccel.org/ccel/schaff/anf04.iii.vii.html
To His Wife - S. Thelwall translation. From Ante-Nicene Fathers, vol. 4, American edition. Each of two short books in its own file, with notes, and links to previous, next, table of contents. - http://www.ccel.org/ccel/schaff/anf04.iii.v.html
On the Veiling of Virgins - From the Ante-Nicene Fathers, vol. 4, American edition. S. Thelwall translation, with notes. - http://www.ccel.org/ccel/schaff/anf04.iii.iv.i.html
On the Pallium - S. Thelwall translation, with notes. From the Ante-Nicene Fathers, vol. 4, American edition. - http://www.ccel.org/ccel/schaff/anf04.iii.ii.i.html
On Exhortation to Chastity - The stringent polemicist contends that second marriage is a species of adultery. From the Ante-Nicene Fathers, vol. 4. - http://www.ccel.org/fathers2/ANF-04/anf04-15.htm
On Baptism - The earliest Christian treatise on a sacrament. Incidentally, Tertullian displays his disdain for women here. S. Thelwall translation, with notes. From the Ante-Nicene Fathers, vol. 3, American edition. - http://www.ccel.org/fathers2/ANF-03/anf03-49.htm
On Repentance - A fairly short treatise by Tertullian, in S. Thelwall's translation. With notes. From the Ante-Nicene Fathers, vol. 3, American edition. - http://www.ccel.org/fathers2/ANF-03/anf03-47.htm
Scorpiace - S. Thelwall translation, with notes. From the Ante-Nicene Fathers, vol. 3, American edition. - http://www.ccel.org/fathers2/ANF-03/anf03-45.htm
Against Praxeas - Tertullian defends the doctrine of the Trinity against a Modalist. Holmes translation, with notes. From the Ante-Nicene Fathers, vol. 3, American edition. Just under 180K. - http://www.ccel.org/fathers2/ANF-03/anf03-43.htm
On the Resurrection of the Flesh - Holmes translation, with notes. From the Ante-Nicene Fathers, vol. 3, American edition. 267K. - http://www.ccel.org/fathers2/ANF-03/anf03-41.htm
On the Flesh of Christ - Holmes translation, with notes. From the Ante-Nicene Fathers, vol. 3, American edition. 112K. - http://www.ccel.org/fathers2/ANF-03/anf03-39.htm
The Chaplet - English translation of "De corona militis." Written in 211, defending a Christian who refused to wear the military laurel. Full text, with concordances and word frequency lists. Each chapter in its own file. - http://www.intratext.com/X/ENG0247.htm