Buuxi weedha soo socota:
1863-Kacdoonkii Poland, fikradaha badan ee Spencer waxay noqdeen qayb muhiim ah oo ka mid ah fikirka "dhamaadka-de-siglo", "Positivism Polish". Qoraaga caanka ah ee reer Poland ee xilligaas, Bolesław Prus, wuxuu ku amaanay Spencer inuu yahay "Aristotle ee qarnigii sagaal iyo tobnaad" wuxuuna qaatay sawirka Spencer ee bulshada-sida-unugyada, isaga oo siinaya soo bandhigid suugaaneed oo cajiib ah sheekadiisa yar ee 1884, "Mold of the Earth", wuxuuna iftiimiyay fikradda hordhaca sheekadiisa ugu caansan, "Fircoon" (1895).