Epistle Concerning the Martyrdom of Polycarp
- A letter from the Church of Smyrna, by an eyewitness. With introductory note. Roberts-Donaldson translation. From Ante-Nicene Fathers, volume I.
- http://www.ccel.org/ccel/schaff/anf01.iv.iii.html

Polycarpus
- Five-page essay on the bishop of Smyrna, by G. Salmon. Requires ability to view PNG files.
- http://www.ccel.org/ccel/wace/biodict/Page_846.html

New Schaff-Herzog Encyclopedia of Religious Knowledge: Polycarp
- Biographical article by N. Bonwetsch. Includes extensive bibliography.
- http://www.ccel.org/ccel/schaff/encyc09.polycarp.html

Encyclopædia Britannica: Polycarp
- Detailed article on the bishop of Smyrna, from the 11th edition (1911). Has scanner errors.
- http://encyclopedia.jrank.org/PIG_POL/POLYCARP_c_6g_c_155_.html

The Martyrdom of St. Polycarp, Bishop of Smyrna
- Charles H. Hoole translation. At the St. Pachomius Library.
- http://www.voskrese.info/spl/polycarp.martyr.html

The Martyrdom of Polycarp
- J.B. Lightfoot translation.
- http://wesley.nnu.edu/biblical_studies/noncanon/fathers/ante-nic/polycarp/polmart.htm

For All the Saints: Polycarp of Smyrna
- The earliest record of Christian martyrdom outside the Bible may be that of St. Polycarp, unless that of St. Ignatius of Antioch is older.
- http://www.saintpatrickdc.org/ss/0223.htm#poly

Catholic Online: Saint Polycarp
- Biography. With prayer.
- http://www.catholic.org/saints/saint.php?saint_id=99

The Ecole Glossary: Polycarp of Smyrna
- Norman Hugh Redington's biographical sketch of St. Polycarp.
- http://www2.evansville.edu/ecoleweb/glossary/polycarp.html

Early Christian Writings: The Martyrdom of Polycarp
- Kirsopp Lake's introduction, and quotations from Irenaeus and Jerome on Polycarp.
- http://www.earlychristianwritings.com/martyrdompolycarp.html

The Development of the Canon of the New Testament: Polycarp of Smyrna
- Story of St. Polycarp and review of his writings with regard to the New Testament canon.
- http://www.ntcanon.org/Polycarp.shtml

Vietnamese Eucharistic Youth Society: St. Polycarp
- His life story. Suited to children. Formatting can make this hard to read.
- http://www.tntt.org/vni/tlieu/saints/St0223.htm

Polycarp, Saint
- Brief biography in The Columbia Encyclopedia, 6th ed.
- http://www.bartleby.com/65/po/Polycarp.html

Catholic Encyclopedia: St. Polycarp
- Long article on what we can know about St. Polycarp, from ancient sources. Martyred in 155.
- http://www.newadvent.org/cathen/12219b.htm

St Polycarp, Bishop of Smyrna, Martyr
- From Fr. Alban Butler's Lives of the Saints.
- http://www.cin.org/saints/polycarp.html

Polycarp, Bishop of Smyrna and Martyr
- Biographical profile. With prayer in traditional and contemporary language.
- http://elvis.rowan.edu/~kilroy/JEK/02/23.html

Patron Saints Index: Polycarp of Smyrna
- Profile. Illustrated, with links.
- http://www.catholic-forum.com/saints/saintp13.htm