Archtelos
The Archtelos Library

Old texts, made legible again.

We use AI to revive historic Christian works that don't otherwise have a readable English edition — translated, cleaned up, and set down here in full.

A blue book cover that says Bible in gold letters.
Greek & Hebrew · ASBV Translation

Holy Bible

Archtelos Septuagint Byzantine Version

An interactive AI commentary provides context, original-language detail, and answers to your questions as you read — alongside the ASBV, an original translation of the whole Bible built directly from the Byzantine manuscripts and the Greek Septuagint Old Testament.

An old style art cover that says practical theology.
Dutch · 1749 · Four Volumes

Practical Theology

Petrus van Mastricht (1630–1706)

Mastricht's Theoretico-Practica Theologia works every doctrine through exegesis, dogmatics, polemics, and — the volumes gathered here — practice: turning right belief into a rightly ordered life. Jonathan Edwards ranked it above every book but Scripture itself, praising its union of sound orthodoxy with genuine piety.

Newly and fully translated from the 1749 Dutch edition, complete across all four volumes for the first time in English.

A blue book cover that says Reformed Dogmatics.
Dutch · 1895–1901 · Four Volumes in One

Reformed Dogmatics

Herman Bavinck (1854–1921)

A monumental systematic theology from the Free University of Amsterdam, synthesizing biblical exegesis, historical theology, and philosophy into a mature defense of Reformed orthodoxy — the organic unity of Scripture, the sovereignty of God, and faith bearing on every part of life. Essential reading for pastors, scholars, and students of Christian doctrine.

An old desk with a pen and quill.
Dutch · 1753 · 42 Treatises

Spiritual Miscellanies

Gerardus van Aalst

Short, edifying treatises from an aged Dutch pastor of West Zaanstad, set down when his body could no longer carry him into the pulpit. Forty-two focused meditations on practical piety, written to bring light, correction, and peace to the church in "confused days."

A parchment-colored book cover with a bent reed and the title The Bruised Reed.
Dutch · 1744 · Two Volumes · 145 Sermons

The Bruised Reed

Bernardus Smytegelt (1665–1739)

Het Gekrookte Riet gathers 145 sermons Smytegelt preached at Middelburg on Matthew 12:20–21 — "a bruised reed shall he not break, and smoking flax shall he not quench" — transcribed from the pulpit by a hearer and first published in 1744. Warm, direct, pastoral preaching addressed to the weak and doubting believer, in the vein of Sibbes and Watson, never before rendered into English.

Newly and fully translated from the 1768 Dutch edition, complete across both volumes for the first time in English.

A gold and parchment book cover with a crescent moon and stars, titled Hallelu-jah.
Dutch · 1689 · Seventeen Chapters

Hallelu-jah

Wilhelmus à Brakel (1635–1711)

Hallelu-jah, ofte Lof des Heeren, over het Genaden-Verbondt takes the eighth Psalm as the foundation for a full treatise on the covenant of grace — its origin in God's eternal decree, the Mediator, saving faith, the marks of a true versus a false covenant partner, and the privileges and duties that belong to those within it. Warm, exacting, experiential divinity from the author of The Christian's Reasonable Service, never before rendered into English.

Newly and fully translated from the 1689 Rotterdam edition.

A gold and parchment book cover with a small flame within concentric rings, titled Theologoumena Pantodapa.
Latin · 1661 · Six Books

Theologoumena Pantodapa

John Owen (1616–1683)

Theologoumena Pantodapa, sive de Natura, Ortu, Progressu, et Studio Verae Theologiae is Owen's most ambitious and technical work — a sweeping history of true theology from Adam's natural knowledge before the fall, through its corruption and restoration across the Adamic, Noachic, Abrahamic, and Mosaic ages, the rise and apostasy of the Jewish church, and finally the theology given in Christ. Dense and erudite.

Newly and fully translated from the 1661 Oxford edition.

A deep maroon and gold book cover with a radiant sun emblem above three inscribed tablets, titled Expositio in Isaiam, Ieremiam, et Threnos.
Latin · 1857 Reprint · Isaiah, Jeremiah & Lamentations

Expositio in Isaiam, Ieremiam, et Threnos

Thomas Aquinas (1225–1274)

The scholastic commentary traditionally printed under Aquinas's name on Isaiah, Jeremiah, and Lamentations — each biblical chapter given first in full, then walked back through verse by verse in Aquinas's characteristic threefold divisions, with a wealth of cross-referenced Scripture. The Isaiah commentary is an early work of his own hand; the Jeremiah commentary was left unfinished at his death, breaking off partway through chapter 42, with Lamentations completing the volume as traditionally printed alongside them.

Newly and fully translated from the 1857 Naples reprint.