One of the most important biblical scholars and theologians of the seventeenth century, James Ussher has made a recent resurgence in Christian literature with the reprinting of his books. Ussher’s writings influenced generations of Christian thought and his research and scholarly work earned high praise—even from those opposed to his ideas. An expert on the writings of the early Church Fathers, Ussher had a giant impact on the Westminster Assembly and Reformation theology. The Whole Works of the Most Rev. James Ussher (18 vols.) contains his most important works, some in their original Latin.

Add classic and modern Reformed theological resources to your library at a great, low price. Displaying the breadth and depth of the Reformed tradition, the Reformed Theology Bundle contains everything you need to study the Doctrines of Grace alongside popular pastors and scholars.

Discover a beloved resource of the Westminster Divines. A Body of Divinity: Or, the Sum and Substance of Christian Religion is considered a classic work of Reformation theology. Written in a question and answer format similar to the catechisms of its day, James Ussher’s book is full of spiritual gems and theological insight. Perfect for family and personal devotional reading, this often overlooked volume is a gateway into Puritan history and is essential to understanding the roots of the English Reformation.

The Logos 6 Reformed Legacy Libraries reintroduce the classic libraries of Logos 6. This library is offered without features and datasets, making it the perfect standalone collection of resources to help grow your library commentaries, theological dictionaries, and other resources ideal for sermon prep or more advanced Bible study.

The Reformed Portfolio library makes your study of the Bible easier by connecting your entire library of books to a robust set of study tools. The Reformed Portfolio Library takes everything in the Reformed Diamond Library and adds even more to your library. The Reformed Portfolio LIbrary contains key sets including Tyndale Commentaries | TOTC/TNTC (47 vols.), Barth’s Church Dogmatics (31 vols.), The Works of Jonathan Edwards (41 vols.), Pillar New Testament Commentary | PNTC (17 vols.), and many more. The Reformed Portfolio Library is excellent for academic research or advanced exegesis.

The resources included in the Systematic Theology Collection works in conjunction with the Systematic Theology Cross-References Dataset to bring these resources to the Passage Guide. Study a passage, and the Systematic Theologies section reports where your systematic theologies refer to the verse, and further organizes them by denomination and category of systematic study. Whether the verse is used in section reporting soteriological beliefs or in the prolegomena, you’ll see before digging in. And with so many systematic theologies for Logos to search through, you’ll never miss a verses’ use in theological proof in any denomination.

Systematic Theologies Collection works together in conjunction with the Systematic Theology Cross-References Dataset to bring these resources to the Passage Guide. Study a passage, and the Systematic Theologies section reports where your systematic theologies refer to the verse, and further organizes them by denomination and category of systematic study. Whether the verse is used in section reporting soteriological beliefs or in the prolegomena, you’ll see before digging in. And with so many systematic theologies for Logos to search through, you’ll never miss a verses’ use in theological proof in any denomination.

The Logos 6 Legacy Libraries reintroduce the classic libraries of Logos 6. This library is offered without features and datasets, making it the perfect standalone collection of resources to help grow your library, including academic reference works and original language resources.

Our largest package, the 2025 Ultimate Library, provides an incredible library for biblical research and theological reflection. Whether focused on Church history or biblical exegesis, the vast collection of resources and titles at your fingertips cover the gamut—from most devotionals to practical discussions of pastoral ministry to the most rigorous scholarly and academic research. This package has everything you need to engage in the serious study of Scripture and its world, with respected resources like the Library of Hebrew Bible/Old Testament Studies | LHBOTS (382 vols.) and top-tier exegetical commentaries like the New International Commentary on the Old and New Testament | NIC (51 vols.).

The Logos 6 Reformed Legacy Libraries reintroduce the classic libraries of Logos 6. This library is offered without features and datasets, making it the perfect standalone collection of resources to help grow your library, including academic reference works and original language resources.

The Reformed Diamond Library makes your study of the Bible easier by connecting your entire library of books to a robust set of study tools. The Reformed Diamond Library takes everything in the Reformed Platinum Library and adds even more to your library, with scholarly series like Wiley Blackwell Bible Commentaries | WBBC: Old and New Testament (22 vols.), The IVP Bible Dictionaries (8 vols.), UBS Handbooks Series: Old Testament, New Testament, and Deuterocanonical Books (66 vols.), and New Growth Press Minibook Collection (157 vols.). With over 2200 volumes of advanced biblical reference works, this is an ideal package for anyone doing academic research or advanced exegesis.

This collection of theology resources is curated to cover the wide spectrum of theological studies, including Biblical, Doctrinal, and Systematic Theology. Bringing together hundreds of theology resources from a wide array of views, this collection will enhance your results in the Factbook, Passage Guide, Theology Guide, and more.

The Anglican Portfolio library makes your study of the Bible easier by connecting your entire library of books to a robust set of study tools. The Anglican Portfolio Library takes everything in the Anglican Diamond Library and adds even more to your library. The Anglican Portfolio LIbrary contains key sets including SIL Exegetical Summary Series | SILES (34 vols.), Fathers of the Church: A New Translation (148 vols.), Reformation Commentary on Scripture Collection | RCS (20 vols.), Conversations with Scripture Series (12 vols.), and many more. The Anglican Portfolio Library is excellent for academic research or advanced exegesis.

The Logos 6 Anglican Legacy Libraries reintroduce the classic libraries of Logos 6. This library is offered without features and datasets, making it the perfect standalone collection of resources to help grow your library, including academic reference works and original language resources.

The Logos 6 Reformed Legacy Libraries reintroduce the classic libraries of Logos 6. This library is offered without features and datasets, making it the perfect standalone collection of resources to help grow your library, including academic reference works and original language resources.

The Logos 6 Reformed Legacy Libraries reintroduce the classic libraries of Logos 6. This library is offered without features and datasets, making it the perfect standalone collection of resources to help grow your library, including academic reference works and original language resources.

The Logos 6 Anglican Legacy Libraries reintroduce the classic libraries of Logos 6. This library is offered without features and datasets, making it the perfect standalone collection of resources to help grow your library, including academic reference works and original language resources.

The Anglican Diamond Library makes your study of the Bible easier by connecting your entire library of books to a robust set of study tools. The Anglican Diamond Library takes everything in the Anglican Platinum Library and adds even more to your library, with scholarly series like The IVP Bible Dictionaries (8 vols.), Spectrum Multiview Book Series (27 vols.), Ancient Christian Doctrine Series (5 vols.), and Churchman Journal (99 vols.) (1886–2012). With over 1700 volumes of advanced biblical reference works, this is an ideal package for anyone doing academic research or advanced exegesis.