Spanish language together with Portuguese, Catalan and Basque /

Eitemau Tebyg

• Spanish language: together with Portuguese, Catalan and Basque /
  gan: Entwistle, William J.
  Cyhoeddwyd: (1969)
• Catalan numbers /
  gan: Stanley, Richard P.
  Cyhoeddwyd: (2015)
• Legends of Basque
  gan: Group of Editors
• Catalan numbers with applications
  gan: Koshy, Thomas
  Cyhoeddwyd: (2009)
• Catalan numbers with application
  gan: Thomas Koshy