Menschliche Geschichte und Naturgeschichte // [Human History and Natural History] Frederic C. Lane Hugo Hantsch (editor) Pp 19-36. 1965 1 theory and philosophy of historiography fields of research natural history/ history and biology
Was ist Natur? [What is Nature?] Eric Voegelin Hugo Hantsch (editor) Pp 1-18. 1965 1 theory and philosophy of historiography fields of research natural history/ history and biology