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Bulletin "le Tour du Monde" :
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1894 : 13, 20, 27. 01, 03, 10, 17, 24.02, 03, 10, 17, 24, 31.03, 07, 14, 21, 28.04, 05.05 (+ suppl. Nouvelles géogr.), 12, 19, 26.05, 02 (+ suppl.), 09, 16, 23, 30.06, 07 (+ suppl.), 14, 21, 28.07, 04 (+ suppl.), 11, 18, 25.08, 01 (+ suppl.), 08, 15, 22, 29.09, 06 (+ suppl.), 13, 20, 27.10, 03 (+ suppl.), 10, 17, 24.11, 01 (+ suppl.), 08, 15, 22, 29.12.
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1895 : 02, 09, 16, 23.02, 02, 09.03.
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1897 : 24.04, 01, 08, 15, 22, 29.05, 05.06.
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1898 : 01, 08, 15, 22, 29.01, 05, 12, 19, 26.02, 05, 12, 19, 26.03, 02, 09, 16.04, 14, 21.05.
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1903 : 28.02, 07.03, 17, 24, 31.10, 07, 14, 21, 28.11, 05, 12, 19, 26.12.
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1904 : 02, 09, 16, 23, 30.01, 06, 13, 20, 27.02, 05, 12, 19, 26.03, 02, 09, 16, 23, 30.04, 07, 14, 21, 28.05, 04, 11, 18, 25.06, 02, 09.07, 16, 23, 30.07, 06, 13, 20, 27.08, 03, 10, 17, 24.09, 01, 08, 15, 22.10, 29.10,, 05, 12, 19, 26.11, 03, 10, 17, 24, 31.12 (+ tables).
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1907 : 05, 12, 19, 26.01, 02, 09, 16, 23.02, 02, 09, 23, 30.03, 06, 13, 20, 27.04, 04, 11, 18, 25.05, 01, 08, 15, 22, 29.06, 06, 13, 20, 27.07, 10, 17, 24, 31.08, 07, 14, 21, 28.09, 05, 12, 19, 26.10, 02, 09, 30.11, 07, 14, 21, 28.12. Tables des matières.
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1908 : 11, 18, 25.01, 01, 08, 15, 22, 29.02, 07, 14, 21, 28.03, 04, 11, 18, 25.04, 02, 09, 16, 23, 30.05, 06, 13, 20, 27.06, 04, 11, 18, 25.07, 01, 08, 15, 22, 29.08, 05, 12, 19, 26.09, 03, 10, 17.10, 07, 14, 21, 28.11, 05, 12, 19, 26.12.
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1909 : 02, 09, 16, 23, 30.01, 06, 13, 20, 27.02, 06, 13, 20, 27.03, 03, 10, 17.04, 08.05.
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1910 : 01, 08, 15, 22, 29.01, 05, 12, 19, 26.02, 05, 12, 19, 26.03, 02, 09, 16, 23, 30.04, 14, 21, 28.05, 04, 11, 18, 25.06, 02, 09, 16, 23, 30.07, 06, 13, 20, 27.08, 03, 10, 17, 24.09, 01, 08, 15, 22, 29.10, 05, 12, 19, 26.11, 03, 10, 31.12 + Tables des matières.
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1911 : 07, 14, 21, 28.01, 04.02, 11, 18, 25.03, 01, 22, 29.04, 06, 13, 20, 27.05, 01, 08, 15, 22, 29.07, 05, 12, 19, 26.08, 02, 09, 16, 23, 30.09, 07, 14, 21, 28.10, 04, 11, 18, 25.11, 02, 09, 16, 23, 30.12.
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1913 :19, 26.07, 02.08.
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Institut des Hautes Etudes de Dakar, Annales Africaines :
1954, 1955, 1956 (1 et 2), 1958, 1959, 1960, 1961, 1962.