Lihat Juga

• Corrections in Nomenclature: Orang Outang; Ca'ing Whale
  oleh: Forbes, Henry O.
  Terbitan: (1904)
• A naturalist's wanderings in the Eastern archipelago
  oleh: Forbes, Henry O
  Terbitan: (1885)
• On a New Species of Guenon from the Cameroons
  oleh: Forbes, Henry O.
  Terbitan: (1905)
• A naturalist's wanderings in the Eastern archipelago, a narrative of travel and exploration from 1878-1883
  oleh: Forbes, Henry O
  Terbitan: (1885)
• A naturalist's wanderings in the Eastern Archipelago, a narative of travel and exploration from 1878
  oleh: Forbes, Henry O
  Terbitan: (1885)