Mell, A. (1900). Enzyklopädisches Handbuch des Blindenwesens.
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Tohutoru Kātū Chicago (17th ed.)
Mell, Alexander. Enzyklopädisches Handbuch Des Blindenwesens. Wien, Leipzig, 1900.
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Tohutoro MLA (9th ed.)
Mell, Alexander. Enzyklopädisches Handbuch Des Blindenwesens. 1900.
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Kua rahua te tārua ki te papatopenga
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