- Hemon, Roparz, 1900-1978 (4)
- Thomas, W. O. (William Owen) (4)
- Williams, Stephen Joseph, 1896- (4)
- Evans, H. Meurig (Harold Meurig) (3)
- Lewis, Henry, 1889- (2)
- Nance, R. Morton (Robert Morton) (2)
- Smith, A. S. D. (Arthur Saxon Dennett) (2)
- 小池, 剛史 (2)
- Abeozen, 1896-1963 (1)
- Awbery, G. M., 1947- (1)
- Borsley, Robert D. (1)
- Bowen, John (John T.), 1948- (1)
- Brown, Wella (1)
- Chalm, Eugène, 1919-2002 (1)
- Cloarec, Jean-Luc (1)
- Davies, Janet (1)
- Delaporte, Raymond (1)
- Denis, Gwendal, 1951- (1)
- Dublin Institute for Advanced Studies. School of Celtic Studies (1)
- Favereau, Frañses, 1948- (1)
- Fynes-Clinton, O. H. (Osbert Henry), 1869-1941 (1)
- Griffiths, Bruce, 1938- (1)
- Guyonvarc'h, Christian J. (1)
- James, D. (David), Defynnog, 1865-1928 (1)
- Jones, Dafydd Glyn (1)
- Jones, T. J. Rhys (1)
- Jones, Thomas (1)
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- Le Bihan, Hervé (1)
- Manning, H. Paul (1)
- Menard, Martial (1)
- Roberts, Ian G. (1)
- Tallerman, Maggie, 1957- (1)
- Thorne, David, 1944- (1)
- Vallée, F. (François), 1860-1949 (1)
- Vinay, J. P. (1)
- Welsh Academy (1)
- Williams, Stephen J. (1)
- Willis, David W. E. (1)
- Zimmer, Stefan (1)
- 原, 聖(1953-) (1)
- 松山, 明子 (1)
- 水谷, 宏(1934-) (1)
- 永田, 喜文 (1)
- 鶴見大学比較文化研究所 (1)