Faatumu le fuaiupu lenei:
Ianuari i le 1863 na tetee ai tagata Rusia. Ina ua lē taulau lenei fouvalega, na avea ai o ia ma sui o le vaega o tagata papaʻe na mananaʻo e fai se maliega ma tagata Rusia. I le 1870, na faavae ai e Kronenberg le faletupe o le Bank Handlowy, o le faletupe faapisinisi o Warsaw, ma i le 1875 na ia faavaeina ai le Warsaw School of Economics. Na ia faavaeina foʻi le Faalapotopotoga Faʻatupeina o Warsaw, Alamanuia Cashier, Warsaw Fire Insurance Company, Coal Mine Association ma Metallurgical Works.