Most people who have at some point in their lives looked into Old English literature will have encountered Greenfield's History of Old English literature and his methods of textual criticism.
Anyone who's ever read Beowulf or any of the Elegies will constantly see references to essays on these poems that Greenfield published in obscure medieval journals. This book collects all of these important papers on these two subjects that Greenfield was highly interested in and makes them available in one volume.
Here is a quick list of the collected papers:
Beowulf and Epic Tragedy
Poetic Art and Epic Quality in Beowulf
Narrative and Descriptive Art
Gifstol and Goldhoard in Beowulf
The Authenticating Voice in Beowulf
The Extremities of the Beowulfian Body Politic
A Touch of the Monstrous in the Hero or Beowulf ReMarvellized
Beowulf and the Judgement of the Righteous
Attitudes and Values in The Seafarer
Min Sylf and Dramatic Voices in The Wanderer and The Seafarer
Sylf Seasons Structure and Genre in The Seafarer
The Theme of Spiritual Exile in Christ I
The Petitions of the Advent Lyrics and the Question of Unity
Of Locks and Keys Line 19a of the Old English Christ
Advent Lyric II Again
Old English Riddle 39 Clear and Visible
The Old English Elegies
The Formulaic Expression of the Theme of Exile in AngloSaxon Poetry