Heke'er yi yuan zhe xue
Subtitle: Die Welträtsel
By: (De) Heke'er (E. Haeckel) chu ; Ma Junwu yi
Edition: Qi ban
Series: Xin wen hua cong shu; Xin wen hua cong shu
Publisher: Zhonghua
Published: 1927
Place of publication: Shanghai
Language: chi