Report of the Cocoa Conference held at Grosvenor House, London, 30th August - 1st September 1949.

類似資料

• Report of the Cocoa Conference held at Grosvenor House, London, W.1, 11th - 13th September 1951.
  出版事項: (1951)
• Report of the Cocoa Conference held at Grosvenor House, London, W.1, 15th to 17th September 1953.
  出版事項: (1953)
• Report of the Cocoa Conference held at Grosvenor House, London, W.1, 13th to 15th September 1955.
  出版事項: (1955)
• Report of the Cocoa Conference held at Grosvenor House, London, W.1, 10th to 12th September 1957.
  出版事項: (1957)
• Report of the Cocoa Conference held at Grosvenor House, London, W.1, 12th to 14th September 1961.
  出版事項: (1961)