21
Published: 2006.
22
23
24
25
Published: 2017.
Superior document: New Approaches to International History ; Number 6
26
27
Published: 2015.
Superior document: Monographs in Anthropology Series
28
29
Published: c2004.
30
31
32
Published: c1994.
Superior document: A Fifty-Minute series book
33
Published: 2004
Superior document: U. S. Geological Survey professional paper 1695
34
35
36
37
Published: c1999.
38
Published: c2009.
Superior document: Studies on language acquisition, 36
39
40