Elsevier's dictionary of automatic control in four languages English, French, German, RUssian, comp by W E Clason eng /

Eitemau Tebyg

• Elsevier's dictionary of cinema sound and music in six languages English, French, Spanish, Italian, Dutch, german, comp by W E Clason eng /
  Cyhoeddwyd: (1956)
• Elsevier's dictionary of amplification modulation reception and transmission in six languages English, French, Spanish, Italian, Dutch, German, comp by W E Clason eng /
  Cyhoeddwyd: (1960)
• Supplement to the Elsevier dictionaris of electronics nucleonics and telecommunication in six languages English, French, Spanish, Italian, Dutch, German, comp by W E Clason eng /
  Cyhoeddwyd: (1963)
• Elsevier's dictionary of building construction in four languages. English, American, French, Dutch & German
  gan: Vanmansum, C J
  Cyhoeddwyd: (1959)
• Elseviers automobile dictionary in eight languages english, French, Italian, Spanish, Portugese, German, Russian, Japanese, comp by G Shuurmans Stekhoven eng /
  Cyhoeddwyd: (1960)