Παρόμοια τεκμήρια

• Classification research : proceedings of the second international study conference held at Hotel Prins Hmalet, Elsinore, Denmark 14th to 18th September 1964 /
  Έκδοση: (1965)
• Guide to the Universal Decimal Classification (UDC) /
  Έκδοση: (1963)
• Classification, class Q science /
  Έκδοση: (1963)
• Classification and human evolution /
  Έκδοση: (1963)
• A classification of living animals /
  ανά: Rothschild, Nathaniel Mayer Victor, Lord
  Έκδοση: (1965)