| C.L. Wrenn |
European balladry, by William J. Entwistle |
|
14/, p. 44 |
| |
Naukovi zapiski, vols. II-III |
|
17/, p. 63 |
| William J. Entwistle |
The Growth of Literature. Volume II Russian oral literature, Yugoslav oral poetry, Early Indian literature, Early Hebrew literature, by H. Munro Chadwick, N. Kershaw Chadwick |
|
7/2, p. 120 |
| ANDREW KAHN |
Simon Franklin, Society and Culture in Early Rus, c.950-1300 |
|
72/1, p. 177 |