The introduction and preaching schedule for this part of the book is here.
1. Isaiah 49 The Messiah's Mission (Jeremy Jackson) 7-19-87 [tape missing]
2. Isaiah 50 Sin and Obedience (Jeremy Jackson) 7-26-87 [tape missing]
3. Isaiah 51 Salvation bursts forth (Doug Weeks) 8-2-87
4. Isaiah 52:1-12 The Freedom of Jerusalem (Doug Weeks) 8-9-87
5. Isaiah 52:13-53:12 The Great Sacrifice (Ed Van Cott) 8-16-87
6. Isaiah 54 The Glory of Jerusalem (Al Gurley) 8-23-87
7. Isaiah 55 Invitation to Salvation (Jeremy Jackson) 8-30-87
8a. Isaiah 56 The Blessings of Obedience (Jeremy Jackson) 9-6-87 [tape missing]
8b. Isaiah 56 The Blessings of Obedience (Jeremy Jackson) 10-25-87 [re-preached University Hills Baptist Church]
9. Isaiah 57 The Need for Salvation (Doug Weeks) 9-13-87
One way to fill in the gaps in this series is through Dale Ralph Davis' 2010 series, which can be found here. He preached two sermons on ch.49, two sermons on ch.50, and one sermon on 52:13-53:12.