Here is a list of commentaries that can be borrowed at archive.org. Commentaries that are most likely to be useful for expository preaching are marked with an asterisk (*). Commentaries that make use of historical criticism are marked “Critical.” Commentaries that are evangelical and generally avoid historical criticism are marked “Evangelical.”
James
The Interpreter’s Bible, Volume 12: James, Peter, John, Jude, Revelation; General Articles, Indices (1951) (Critical)
The Letters of James and Peter (Daily Study Bible) by Barclay, William (1976) (Critical)
Hebrews, James, 1 Peter, 2 Peter (The Layman’s Bible Commentary) by Bowman, John Wick (1982) (Critical)
*The Epistle of James (Harper’s New Testament Commentaries) by Laws, Sophie (1980) (Critical)
*The Letter of James : an introduction and commentary (Tyndale New Testament Commentaries) by Moo, Douglas J . (1985) (Evangelical)
*The Letter of James (The Pillar New Testament Commentary) by Moo, Douglas J. (2000) (Evangelical
First Timothy, Second Timothy, Titus, James, First Peter, Second Peter, Jude (Collegeville Bible Commentary) by Neyrey, Jerome H. (1983) (Critical)
The Epistles of James, Peter, and Jude : a new translation with introduction and commentary (The Anchor Bible) by Reicke, Bo (1964) (Critical) (Technical)
The General Epistle of James : an introduction and commentary (Tyndale New Testament Commentaries) by Tasker, R. V. G. (Randolph Vincent Greenwood) (1983) (Evangelical)
Hebrews, James, 1 & 2 Peter (Layman’s Bible Book Commentary) by Valentine, Foy (1981) (Critical)
The Letters of John and James (The Cambridge Bible Commentary) by Williams, R. R. (Ronald Ralph) (1965) (Critical)
1 Peter
The Interpreter’s Bible, Volume 12: James, Peter, John, Jude, Revelation; General Articles, Indices (1951) (Critical)
*1 Peter (Hermeneia) by Achtemeier, Paul J. (1996) (Critical) (Technical)
The Letters of James and Peter (Daily Study Bible) by Barclay, William (1976) (Critical)
The First Epistle of Peter : the Greek text with introduction and notes by Beare, Francis Wright (1970) (Critical)
*The First Epistle of Peter (The New International Commentary on the New Testament) by Davids, Peter H. (1990) (Evangelical)
Hebrews, James, 1 Peter, 2 Peter (The Layman’s Bible Commentary) by Bowman, John Wick (1982) (Critical)
*1 Peter : an introduction and commentary (Tyndale New Testament Commentaries) by Grudem, Wayne A. (2007) (Evangelical)
1 and 2 Peter, Jude (New International Biblical Commentary) by Hillyer, N. (1992) (Evangelical)
The Letters of Peter and Jude (The Cambridge Bible Commentary) by Leaney, A. R. C. (Alfred Robert Clare) (1967) (Critical)
First Timothy, Second Timothy, Titus, James, First Peter, Second Peter, Jude (Collegeville Bible Commentary) by Neyrey, Jerome H. (1983) (Critical)
Hebrews, James, 1 & 2 Peter (Layman’s Bible Book Commentary) by Valentine, Foy (1981) (Critical)
The First Epistle of Peter : an introduction and commentary (Tyndale New Testament Commentaries) by Stibbs, A. M.; Walls, A. F. (1959) (Evangelical)
2 Peter
The Interpreter’s Bible, Volume 12: James, Peter, John, Jude, Revelation; General Articles, Indices (1951) (Critical)
The Letters of James and Peter (Daily Study Bible) by Barclay, William (1976) (Critical)
Hebrews, James, 1 Peter, 2 Peter (The Layman’s Bible Commentary) by Bowman, John Wick (1982) (Critical)
The Second Epistle General of Peter, and the General Epistle of Jude : an introduction and commentary (Tyndale New Testament Commentaries) by Green, Michael (1984) (Evangelical)
2 Peter and Jude (The IVP New Testament Commentary Series) by Harvey, Robert W. (2009) (Critical)
1 and 2 Peter, Jude (New International Biblical Commentary) by Hillyer, N. (1992) (Evangelical)
The Letters of Peter and Jude (The Cambridge Bible Commentary) by Leaney, A. R. C. (Alfred Robert Clare) (1967) (Critical)
First Timothy, Second Timothy, Titus, James, First Peter, Second Peter, Jude (Collegeville Bible Commentary) by Neyrey, Jerome H. (1983) (Critical)
The Epistles of James, Peter, and Jude : a new translation with introduction and commentary (The Anchor Bible) by Reicke, Bo (1964) (Critical) (Technical)
Hebrews, James, 1 & 2 Peter (Layman’s Bible Book Commentary) by Valentine, Foy (1981) (Critical)
1, 2, 3, John
The Interpreter’s Bible, Volume 12: James, Peter, John, Jude, Revelation; General Articles, Indices (1951) (Critical)
The Letters of John and Jude (The New Daily Study Bible) by Barclay, William (2002) (Critical)
Letters to Children of Light : commentary on First, Second and Third John (A Bible Commentary for Laymen) by Blaiklock, E. M. (1975) (Evangelical)
*The Epistles of John (The Anchor Bible) by Brown, Raymond Edward (1985) (Critical) (Technical)
The Gospel and Epistles of John : a concise commentary by Brown, Raymond Edward (1988) (Critical)
The Johannine Epistle s : a commentary on the Johannine epistles (Hermeneia) by Bultmann, Rudolf (1973) (Critical) (Technical)
The Gospel according to John and the Johannine Epistles (Collegeville Bible Commentary) by Flanagan, Neal M. (1983) (Critical)
The Johannine Epistles (The New Century Bible Commentary) by Grayston, Kenneth (1984) (Critical)
1 John, 2 John, 3 John, Jude, Revelation (The Layman’s Bible Commentary) by Love, Julian P. (1978) (Critical)
*The Epistles of John (The New International Commentary on the New Testament) by Marshall, I. Howard (1978) (Evangelical)
The Johannine Epistles (New Testament Message) by Perkins, Pheme (1979) (Critical)
*The Epistles of John : an introduction and commentary (Tyndale New Testament Commentaries) by Stott, John R. W. (1964) (Evangelical)
The Johannine Letters : A Commentary on 1, 2, and 3 John (Hermeneia) by Strecker, Georg (1996) (Critical) (Technical)
The Letters of John and James (The Cambridge Bible Commentary) by Williams, R. R. (Ronald Ralph) (1965) (Critical)
Jude
The Interpreter’s Bible, Volume 12: James, Peter, John, Jude, Revelation; General Articles, Indices (1951) (Critical)
The Letters of John and Jude (The New Daily Study Bible) by Barclay, William (2002) (Critical)
The Second Epistle General of Peter, and the General Epistle of Jude : an introduction and commentary (Tyndale New Testament Commentaries) by Green, Michael (1984) (Evangelical)
2 Peter and Jude (The IVP New Testament Commentary Series) by Harvey, Robert W. (2009) (Evangelical)
1 and 2 Peter, Jude (New International Biblical Commentary) by Hillyer, N. (1992) (Evangelical)
The Letters of Peter and Jude (The Cambridge Bible Commentary) by Leaney, A. R. C. (Alfred Robert Clare) (1967) (Critical)
1 John, 2 John, 3 John, Jude, Revelation (The Layman’s Bible Commentary) by Love, Julian P. (1978) (Critical)
First Timothy, Second Timothy, Titus, James, First Peter, Second Peter, Jude (Collegeville Bible Commentary) by Neyrey, Jerome H. (1983) (Critical)
The Epistles of James, Peter, and Jude : a new translation with introduction and commentary (The Anchor Bible) by Reicke, Bo (1964) (Critical) (Technical)
Revelation
The Interpreter’s Bible, Volume 12: James, Peter, John, Jude, Revelation; General Articles, Indices (1951) (Critical)
The Revelation of John (Daily Study Bible) by Barclay, William (1976) (Critical)
Revelation for Today : images of hope by Jeske, Richard L. (1983) (Critical)
1 John, 2 John, 3 John, Jude, Revelation (The Layman’s Bible Commentary) by Love, Julian P. (1978) (Critical)
*The Book of Revelation (The New International Commentary on the New Testament) by Mounce, Robert H. (1977) (Evangelical)
The Book of Revelation (Collegeville Bible Commentary) by Perkins, Pheme (1983) (Critical)
Revelation : vision of a just world (Proclamation Commentaries) by Schüssler Fiorenza, Elisabeth (1991) (Critical)