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.”
Philippians
The Interpreter’s Bible, Volume 11: Philippians, Colossians, Thessalonians, Timothy, Titus, Philemon, Hebrews (1951) (Critical)
The Letters to the Philippians, Colossians, and Thessalonians, revised edition (Daily Study Bible) by Barclay, William (1975) (Critical)
The Epistle to the Philippians (Black’s New Testament Commentaries) by Beare, Francis Wright (1973) (Critical)
Paul’s Letters from Prison : Ephesians, Philippians, Colossians, Philemon (New Clarendon Bible) by Caird, George Bradford (1976) (Critical)
Galatians, Ephesians, Philippians, Colossians, Philemon (The Communicator’s Commentary) by Dunnam, Maxie D. (1982) (Evangelical)
*Paul’s Letter to the Philippians (The New International Commentary on the New Testament) by Fee, Gordon D. (1995) (Evangelical)
Philippians and Philemon (New Testament Message) by Getty-Sullivan, Mary Ann (1980) (Critical)
The Letters of Paul to the Philippians and to the Thessalonians (The Cambridge Bible Commentary) by Grayston, Kenneth (1967) (Critical)
Paul’s Letters from Prison : Philippians, Colossians, Philemon, and Ephesians (Westminster Pelican Commentaries) by Houlden, J. L. (James Leslie) (1977) (Critical)
Galatians, Philippians, Philemon, 1 Thessalonians (Augsburg Commentary on the New Testament) by Krentz, Edgar; Koenig, John; Juel, Donald H. (1985) (Critical)
*The Epistle of Paul to the Philippians : an introduction and commentary, revised ed. (Tyndale New Testament Commentaries) by Martin, Ralph P. (1987) (Evangelical)
Colossians, Philippians, 1 & 2 Thessalonians, 1 & 2 Timothy, Titus, Philemon (Layman’s Bible Book Commentary) by Tolbert, Malcolm (1980) (Critical)
Philippians (Bible Study Commentary) by Vos, Howard Frederic (1983) (Evangelical)
Colossians
The Interpreter’s Bible, Volume 11: Philippians, Colossians, Thessalonians, Timothy, Titus, Philemon, Hebrews (1951) (Critical)
The Letters to the Philippians, Colossians, and Thessalonians, revised edition (Daily Study Bible) by Barclay, William (1975) (Critical)
Paul’s Letters from Prison : Ephesians, Philippians, Colossians, Philemon (New Clarendon Bible) by Caird, George Bradford (1976) (Critical)
*The Epistles to the Colossians, to Philemon and to the Ephesians (The New International Commentary on the New Testament) by Bruce, F. F. (1984) (Evangelical)
Colossians : The Mystery of Christ in Us by Demarest, Gary W. (1979) (Evangelical)
Galatians, Ephesians, Philippians, Colossians, Philemon (The Communicator’s Commentary) by Dunnam, Maxie D. (1982) (Evangelical)
Paul’s Letters from Prison : Philippians, Colossians, Philemon, and Ephesians (Westminster Pelican Commentaries) by Houlden, J. L. (James Leslie) (1977) (Critical)
*Colossians and Philemon; a commentary on the Epistles to the Colossians and to Philemon (Hermeneia) by Lohse, Eduard (1971) (Critical) (Technical)
*Colossians and Philemon (New Century Bible) by Martin, Ralph (1974) (Evangelical)
Commentary on Colossians & Philemon by McDonald, H. D. (Hugh Dermot) (1980) (Evangelical)
Colossians, Philemon, Ephesians (A Good News Commentary) by Patzia, Arthur G. (1984) (Evangelical)
Colossians (New Testament Message) by Rogers, Patrick (1980) (Critical)
The Letters of Paul to the Ephesians, to the Colossians and to Philemon (The Cambridge Bible Commentary) by Thompson, George Harry Packwood (1967) (Critical)
Colossians, Philippians, 1 & 2 Thessalonians, 1 & 2 Timothy, Titus, Philemon (Layman’s Bible Book Commentary) by Tolbert, Malcolm (1980) (Critical)
1 & 2 Thessalonians
The Interpreter’s Bible, Volume 11: Philippians, Colossians, Thessalonians, Timothy, Titus, Philemon, Hebrews (1951) (Critical)
The Letters to the Philippians, Colossians, and Thessalonians, revised edition (Daily Study Bible) by Barclay, William (1975) (Critical)
The First and Second Epistles to the Thessalonians (Harper’s New Testament Commentaries) by Best, Ernest (1972) (Critical)
1, 2 Thessalonians, 1, 2 Timothy, Titus (The Communicator’s Commentary) by Demarest, Gary W. (1984) (Evangelical)
*The First and Second Letters to the Thessalonians (The New International Commentary on the New Testament) by Fee, Gordon D. (2009) (Evangelical)
The Letters of Paul to the Philippians and to the Thessalonians (The Cambridge Bible Commentary) by Grayston, Kenneth (1967) (Critical)
1 and 2 Thessalonians (Epworth Preaching Commentaries) by Harris, William B. (1968) (Critical)
Galatians, Philippians, Philemon, 1 Thessalonians (Augsburg Commentary on the New Testament) by Krentz, Edgar; Koenig, John; Juel, Donald H. (1985) (Critical)
*The First and Second Epistles to the Thessalonians : the English text with introduction, exposition, and notes (The New International Commentary on the New Testament) by Morris, Leon (1959) (Evangelical)
*1 & 2 Thessalonians : an introduction and commentary (Tyndale New Testament Commentaries) by Morris, Leon (1956) (Evangelical)
The Epistle of Paul to the Thessalonians (The Moffatt New Testament Commentary) by Neil, William (1950) (Critical)
1 and 2 Thessalonians (New Testament Message) by Reese, James M. (1979) (Critical)
1 and 2 Thessalonians, 1 and 2 Timothy, Titus, Philemon (The Layman’s Bible Commentary) by Rolston, Holmes (1982) (Critical)
Colossians, Philippians, 1 & 2 Thessalonians, 1 & 2 Timothy, Titus, Philemon (Layman’s Bible Book Commentary) by Tolbert, Malcolm (1980) (Critical)
1 & 2 Timothy, Titus
The Interpreter’s Bible, Volume 11: Philippians, Colossians, Thessalonians, Timothy, Titus, Philemon, Hebrews (1951) (Critical)
The Letters to Timothy, Titus and Philemon (Daily Study Bible) by Barclay, William (1975) (Critical)
1, 2 Thessalonians, 1, 2 Timothy, Titus (The Communicator’s Commentary) by Demarest, Gary W. (1984) (Evangelical)
The Pastoral Epistles : a commentary (Hermeneia) by Dibelius, Martin (1972) (Critical) (Technical)
*1 and 2 Timothy, Titus (New International Biblical Commentary) by Fee, Gordon D. (1988) (Evangelical)
*The Pastoral Epistles : an introduction and commentary, revised (Tyndale New Testament Commentaries) by Guthrie, Donald (1990) (Evangelical)
*The Letters to Timothy and Titus (The New International Commentary on the New Testament) by Towner, Philip H. (2006) (Evangelical)
The Pastoral Letters (The Cambridge Bible Commentary) by Hanson, Anthony Tyrrell (1966) (Critical)
The Pastoral Epistles (New Testament Message) by Karris, Robert J. (1979) (Critical)
*A Commentary on the Pastoral Epistles; I Timothy, II Timothy, Titus (Harper’s New Testament Commentaries) by Kelly, J. N. D. (John Norman Davidson) (1963) (Critical)
1, 2 Timothy & Titus (The College Press NIV Commentary) by Moss, C. Michael (Carl Michael) (1994)
First Timothy, Second Timothy, Titus, James, First Peter, Second Peter, Jude (Collegeville Bible Commentary) by Neyrey, Jerome H. (1983) (Critical)
First and Second Timothy and Titus (Interpretation Commentary) by Oden, Thomas C. (1989) (Critical)
*The letter to Titus : a new translation with notes and commentary and an introduction to Titus, I and II Timothy, the Pastoral Epistles (The Anchor Bible) by Quinn, Jerome D. (1990) (Critical) (Technical)
1 and 2 Thessalonians, 1 and 2 Timothy, Titus, Philemon (The Layman’s Bible Commentary) by Rolston, Holmes (1982) (Critical)
Colossians, Philippians, 1 & 2 Thessalonians, 1 & 2 Timothy, Titus, Philemon (Layman’s Bible Book Commentary) by Tolbert, Malcolm (1980) (Critical)
Commentary on 1 & 2 Timothy & Titus by Ward, Ronald Arthur (1974) (Evangelical)
Philemon
The Interpreter’s Bible, Volume 11: Philippians, Colossians, Thessalonians, Timothy, Titus, Philemon, Hebrews (1951) (Critical)
The Letters to Timothy, Titus and Philemon (Daily Study Bible) by Barclay, William (1975) (Critical)
Paul’s Letters from Prison : Ephesians, Philippians, Colossians, Philemon (New Clarendon Bible) by Caird, George Bradford (1976) (Critical)
*The Epistles to the Colossians, to Philemon and to the Ephesians (The New International Commentary on the New Testament) by Bruce, F. F. (1984) (Evangelical)
Galatians, Ephesians, Philippians, Colossians, Philemon (The Communicator’s Commentary) by Dunnam, Maxie D. (1982) (Evangelical)
Philippians and Philemon (New Testament Message) by Getty-Sullivan, Mary Ann (1980) (Critical)
Paul’s Letters from Prison : Philippians, Colossians, Philemon, and Ephesians (Westminster Pelican Commentaries) by Houlden, J. L. (James Leslie) (1977) (Critical)
Galatians, Philippians, Philemon, 1 Thessalonians (Augsburg Commentary on the New Testament) by Krentz, Edgar; Koenig, John; Juel, Donald H. (1985) (Critical)
The Letters of Paul to the Ephesians, to the Colossians and to Philemon (The Cambridge Bible Commentary) by Thompson, George Harry Packwood (1967) (Critical)
Colossians, Philemon, Ephesians (A Good News Commentary) by Patzia, Arthur G. (1984) (Critical)
1 and 2 Thessalonians, 1 and 2 Timothy, Titus, Philemon (The Layman’s Bible Commentary) by Rolston, Holmes (1982) (Critical)
Colossians, Philippians, 1 & 2 Thessalonians, 1 & 2 Timothy, Titus, Philemon (Layman’s Bible Book Commentary) by Tolbert, Malcolm (1980) (Critical)
Hebrews
The Interpreter’s Bible, Volume 11: Philippians, Colossians, Thessalonians, Timothy, Titus, Philemon, Hebrews (1951) (Critical)
*The Epistle to the Hebrews : a commentary (Hermeneia) by Attridge, Harold W. (1989) (Critical) (Technical)
The Letter to the Hebrews (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 to the Hebrews (The New International Commentary on the New Testament) by Bruce, F. F. (1964) (Evangelical)
To the Hebrews : translation, comment and conclusions (The Anchor Bible) by Buchanan, George Wesley (1972) (Critical) (Technical)
Hebrews (New Testament Message) by Casey, Juliana M. (1980) (Critical)
A Letter to Hebrews (The Cambridge Bible Commentary) by Davies, John Howard (1967) (Critical)
*The Epistle to the Hebrews : a commentary on the Greek text (The New International Greek Testament Commentary) by Ellingworth, Paul (1993) (Evangelical) (Technical)
The Letter to the Hebrews (New Collegeville Bible Commentary) by Harrington, Daniel J. (2006) (Critical)
The Letter to the Hebrews (The Living Word Commentary) by Thompson, James W. (James Weldon) (1971)
Hebrews, James, 1 & 2 Peter (Layman’s Bible Book Commentary) by Valentine, Foy (1981) (Critical)