A Descriptive Petrography of the Igneous Rocks,vol.1

Eitemau Tebyg

• Descriptive petrography of the Igneous rocks,Vol.1
  gan: Johannsen,Albert
  Cyhoeddwyd: (1932)
• A descriptive petrography of the Igneous rocks,Vol.3 the Intermediate rocks
  gan: Johannsen,Albert
  Cyhoeddwyd: (1937)
• A descriptive petrography of the Igneous rocks,Vol.2:the Quartz -bearing rocks
  gan: Johannsen,Albert
  Cyhoeddwyd: (1932)
• A descriptive petrography of the Igneous rocks,Vol.1Introduction,Textures,Classsifications and Glos
  gan: Johannsen,Albert
  Cyhoeddwyd: (1939)
• A descriptive petrography of the Igneous rocks,Vol.4 .Pt.1 the feldspathold rocks,Pt.2
  gan: Johannsen,Albert
  Cyhoeddwyd: (1938)