Free MP3: Postmillennialism & Revelation 20, by Pastor David Silversides (A phenomenal sermon!)
https://www.sermonaudio.com/sermoninfo.asp?SID=9130414633

Ezra #17 What Problems Do Premillennialism & Amillennialism Face in Revelation 20?, by Pastor Greg Price (Free MP3, the eschatology portions start part way into this message.)
https://www.sermonaudio.com/sermoninfo.asp?SID=41017125404

Biblical Prophecy & Postmillennialism 42, Revelation 20, Satan Bound, the Millennium, by Pastor Jim Dodson (Free MP3 and PDF)
https://www.sermonaudio.com/sermoninfo.asp?SID=1221151157432

Postmillennialism, Free Reformation MP3s, Puritan Books, Jonathan Edwards, Pastor Jim Dodson, et al.
https://www.sermonaudio.com/new_details3.asp?ID=30921

Reformation, Restoration Prophets 20/23, Zechariah 16/16, Christ's Millennial Victory, by Pastor Jim Dodson (Free MP3 and PDF)
https://www.sermonaudio.com/sermoninfo.asp?SID=1029172247535
Below is an excellent series defending Historicism and Postmillennialism:

Biblical Prophecy, Pastor Jim Dodson, 44 Remarkable Free MP3s About Classic Biblical (Reformation) Eschatology (Covers eschatology in every book of the Bible).
https://www.sermonaudio.com/search.asp?sortby=oldest&keyword=swrb&keywordWithin=Biblical+Prophecy+%26+Postmillennialism&keywordDesc=swrb&SourceOnly=true&AudioOnly=false

"And it shall come to pass in the last days, that the mountain of the LORD's house shall be established in the top of the mountains, and shall be exalted above the hills; and all nations shall flow unto it." (Isa. 2:2, KJV).

"They shall not hurt nor destroy in all my holy mountain: for the earth shall be full of the knowledge of the Lord, as the waters cover the sea." - Isa. 11:9, KJV

"Now, Christians, the more great and glorious things you expect from God, as the downfall of antichrist, the conversion of the Jews, the conquest of the nations to Christ, the breaking of all yokes, the new Jerusalem's coming down from above, the extraordinary pouring out of the Spirit, and a more general union among all saints, the more holy, yea, the more eminently holy in all your ways and actings it becomes you to be."

- Thomas Brooks, The Crown and Glory of Christianity, 1662, Complete Works (on the Puritan Hard Drive at http://www.PuritanDownloads.com/swrb-puritan-hard-drive.html), 1867, p. 444

Best Free Reformed Audio Commentaries On Revelation and Eschatology By Contemporary Reformed Ministers Dr. Steven Dilday, W.J. Mencarow and Greg Price (Free MP3s, PDFs, Videos, Etc.)
http://www.puritandownloads.com/best-free-reformed-audio-commentaries-on-revelation-and-eschatology-by-contemporary-reformed-ministers-dr-steven-dilday-w-j-mencarow-and-greg-price-free-mp3s-pdfs-videos-etc/

Why Many More People Will Be Saved Than Lost: Biblical Prophecy & Postmillennialism (FREE SWRB MP3)
https://www.sermonaudio.com/new_details3.asp?ID=94416