| C.L. Wrenn |
European balladry, by William J. Entwistle |
|
14/, p. 44 |
| W.O. Hassall |
Images in the Margins of Gothic Manuscripts. California Studies in the History of Art iv, by Lilian M. C. Randall |
|
37/1, p. 102 |
| 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 |