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Paul Otlet was a Belgian, *1868, died 1944, who perfected the Dewey Classification system as "the Universal Decimal Classification", in his lifetime alone totalling 17 million index cards of human knowledge.
Michel Guillou
Manuela Servais
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1985
2022
2023
2014
2021
2015
2026
N/A
2016
1949
1990
2019
1989