41
出版: 1922
Superior document: Southern Tibet discoveries in former times compared with my own researches in 1906 - 1908 7
42
43
44
45
46
47
48
出版: 1911
Superior document: Von Pol zu Pol [1] (1911)
49
50
51
52
53
54
出版: 1912
Superior document: Van Pool tot Pool 1
55
56
57
58
59
60
出版: 1951
Superior document: Große Männer, denen ich begegnete [1]