Hans O. Ryff (Q148291)

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Hans O. Ryff
No description defined

    Statements

    1 January 1923Gregorian
    31 December 1927Gregorian
    1 reference
    9 November 2021
    Annuaire_DF_1927_14
    1 January 1898Gregorian
    1 reference
    9 November 2021
    Annuaire_DF_1923_8
    31 December 1972
    1 reference
    9 November 2021
    Annuaire_DF_1923_8
    1 reference
    9 November 2021
    Annuaire_DF_1923_8
    72457
    Hans O. Ryff
    1 reference
    9 November 2021
    Annuaire_DF_1923_8