Bibliography of International Congresses of Slavists (BibSlavKon)

The Bibliography of International Congresses of Slavists (1929-2018) was converted from thirteen printed volumes into a database in cooperation with the Slavonic Library in Prague (Slovanská knihovna Praha) and contains 8550 records. Since 2008 the Bibliography appear only in electronic form and will be updated in five-year interval according to the next Congresses of Slavists. The further information can be found here. The overview of the classification can be found: here.

Your search for Rayfield, Donald provides 2 hits
1	The Soldier’s Lament : World War One Folk Poetry in the Russian Empire Rayfield, Donald - The Slavonic and East European Review 66 (1988) 1, 66-90
2	The Heroic Ethos of Russian and Georgian Folk Poetry Rayfield, Donald - The Slavonic and East European Review 56 (1978) 4, 505-521

Bibliography of International Congresses of Slavists (BibSlavKon)

The Soldier’s Lament : World War One Folk Poetry in the Russian Empire

The Heroic Ethos of Russian and Georgian Folk Poetry