A. & G. Taylor
Ar C'horner
Ar Fusteg, Yann (1855-1910)
Archer, Patrick
Azilis
Bajard, Marie
Barbier, Marie
Barbier, Paul
Berthou, Yves (1861-1933)
Bouillé, James (1894-1945)
Cadic, Edouard (1858-1914)
Camenen, François
Castletown, Bernard Edward Barnaby FitzPatrick, Baron (1848-1937)
Celtic Association
Cruise, H.
D. W. Evans
Davies, Clara Novello (1861-1943)
de Vercelli de Ranzi
Diverrès, Paul (1880-1946)
Dr. Roberts
Edwards, John Kelt (1875-1934)
Edwards, John Kelt (1875-1934)
Even, Francis (1877-1959)
Fournier d'Albe, Edmund Edward (1868-1933)
Gibson, William
Gostling, Frances Marion ( -1935)
Gostling, Frances Marion (....-1935)
Greaves, John Ernest (1847-1945)
Hayde, J.
Hughes a'i Fab
Hughes, Gwilym
Idanfryn, Ap
J. Nicolas
J. Ollivier
Jaffrennou, François (1879-1956)
Jenner, Henry (1848-1934)
Jones, J.E.
Kelt Edwards, John (1875-1934)
L'Occident (périodique ; France)
Ladmirault, Paul (1877-1944)
Lebesgue, Philéas (1869-1958)
Matheu
Matthews, John Hobson (1858-1914)
Matthews, Thomas (1874-1916)
McNeill, John Thomas (1885-1975)
Mosher, Ange McKay (1835-1918)
National Library of Wales
National Literary Society
Parry, Joseph (1841-1943)
Pascal, Félicien (1860-1939)
Portnell, J.C.H.
Rees, Evan (1850-1923)
Roberts, Robert (1839-1914)
Royal National Eisteddfod
Saint-Maurice, Rémy (1864-1918)
Susannah Berrington Gruffydd Richards
The Royal National Eisteddfod of Wales
Theuriet, André (1833-1907)
Thomas, Edward (1853-1912)
Thomas, Gwynne
Thomas, William Griffith
Thompson, Robert J.
Wade-Evans, Arthur Wade (1875-1964)
Ward, John (1856 - 1922)
Williams, Alice Matilda Langland (1867-1950)
Williams, James
Windsor-Clive, Robert (1857-1923)
Wynne, Llew.