. "1836"^^ . "2013-08-07"^^ . "16216524"^^ . . "Robert Noxon Toppan (1836-1901)"@fr . . . . . . "male" . . "WW in America 1899-1900. - . - BN Cat. gén.. - . -"@fr . . "1836-10-17" . "Robert Noxon" . "Juriste. - Numismate" . . "Toppan" . . "1901" . . . . . . "1901"^^ . . . . . . . . . "Robert Noxon Toppan" . . "2013-08-08" . . . . "International coinage : a unit of eight grammes / proposed by Robert Nixon Toppan, 1879. - . - LC Authorities. - http://authorities.loc.gov. - 2010-07-13"@fr . "VIAF" . . . . "2010-07-13" . "0000000080858365" . . "Juriste. - Numismate" . "10-17" . "Juriste. - Numismate"@fr . .