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)
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)
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 First Epistle of Peter : the Greek text with introduction and notes by Beare, Francis Wright (1970) (Critical)
Hebrews, James, 1 Peter, 2 Peter (The Layman’s Bible Commentary) by Bowman, John Wick (1982) (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)
Hebrews, James, 1 & 2 Peter (Layman’s Bible Book Commentary) by Valentine, Foy (1981) (Critical)
2 Peter
The Interpreter’s Bible, Volume 12: James, Peter, John, Jude, Revelation; General Articles, Indices (1951) (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)
1 and 2 Peter, Jude (New International Biblical Commentary) by Hillyer, N. (1992) (Evangelical)
*A Commentary on the Epistles of Peter and Jude by Kelly, J. N. D. (1969) (Critical)
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 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 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)
1 and 2 Peter, Jude (New International Biblical Commentary) by Hillyer, N. (1992) (Evangelical)
*A Commentary on the Epistles of Peter and Jude by Kelly, J. N. D. (1969) (Critical)
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)
1 John, 2 John, 3 John, Jude, Revelation (The Layman’s Bible Commentary) by Love, Julian P. (1978) (Critical)
The Book of Revelation (Collegeville Bible Commentary) by Perkins, Pheme (1983) (Critical)