• Bollack, L., La Langue Bleue Bolak, langue internationale pratique, Paris: 1899, 480+ pp.
  • Bollack, L., Premier vocabulaire de la langue bleue Bolak, Paris: 1902, 90+ pp.
  • Bollack, L., [tra. Tischer], Abridged grammar of the Blue Language, Paris: Pres. Dupont, 1900, 64 pp.

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