Encyclopaedia of occupational health and safety /

Míreanna comhchosúla

• The Encyclopedia Americana : the international reference work /
  Foilsithe / Cruthaithe: (1961)
• The Encyclopedia Americana : the international reference work /
  Foilsithe / Cruthaithe: (1961)
• McGraw-Hill encyclopedia of environmental science.
  Foilsithe / Cruthaithe: (1974)
• technical dictionary of data processing, computers and office machines : four - language.
  de réir: burger, erich
  Foilsithe / Cruthaithe: (1970)
• The Dictionary of Economics and Commerce : Z. Naser.
  de réir: .Nasr, Z.
  Foilsithe / Cruthaithe: (1979)