William Henry Perkin (Esperanto Wikipedia)

Analysis of information sources in references of the Wikipedia article "William Henry Perkin" in Esperanto language version.

refsWebsite

Global rank Esperanto rank

284^th place

752^nd place

28^th place

72^nd place

cnn.com

edition.cnn.com

"The color purple: How an accidental discovery changed fashion forever". CNN. 12a de marto 2018. Alirita la 2an de aprilo 2020.

oxforddnb.com

"Perkin, Sir William Henry".Oxford Dictionary of National Biography (reta eldono). Oxford University Press. doi:10.1093/ref:odnb/35477. Alirita la 2an de aprilo 2020.