Kim, Ji Ha
Kim Ji-Ha Jeonjib.1-3 = 김지하 전집. 1-3
Silcheon Munhaksa, 2002
 Buku Teks
Timotius Kurniawan
Respect for nature sebagai tolak ukur individu dalam mengelola alam pada era modern = Respect for nature as a measure of an individual in managing nature in the modern era
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2012
 UI - Skripsi Open
Willey, Basil
The eighteenth-century background : studies on the idea of nature in the thought of the period
Penguin Books, 1962
 Buku Teks SO
Maritain, Jacques
Philosophy of nature
Philosophical Library, 1951
 Buku Teks SO
Koren, Henry J.
An introduction to the philosophy of nature
Duquesne University, 1960
 Buku Teks SO