Author
Muir, John, 1838-1914
56
Bailey, Vernon, 1864-1942
51
Bailey, Florence Merriam, 1863-1948
49
Merriam, C. Hart (Clinton Hart), 1855-1942
49
Online Archive of California
49
Roosevelt, Theodore, 1858-1919
49
Smith, Ronald I.L.
43
Gillespie, Lynn J.
34
Sokoloff, Paul C.
34
Bull, Roger D.
32
British Museum (Natural History)
31
Saarela, Jeffery M.
30
Britton, Nathaniel Lord, 1859-1934
28
Convey, Peter
27
Brown, Addison, 1830-1913
26
Bell, F. J. (Francis Jeffrey), 1855-1924
25
British National Antarctic Expedition (1901-1904)
24
Shenghao Liu
24
Fletcher, L. 1854-1921
23
Fletcher, L. Sir, (Lazarus), 1854-1921
23
Pengying Zhang
23
Fredskild, Bent
22
Bailin Cong
21
Shuo Fang
21
Bay, Christian
20
Hansen, Eric Steen
20
Tingting Li
20
Walton, David W.H.
20
Linlin Zhao
15
Nordenskjöld, Otto, 1869-1928
15
Zhaohui Zhang
15
Arup, Ulf
14
Dan Yi
14
Ebinger, John E.
14
Higuera, Philip E.
14
Liping Zhang
14
Smith, R.I.L.
14
Svenska sydpolar-expeditionen 1901-1903
14
Biyun Chen
13
Fugui Zhang
13
Guixin Yan
13
Guizhen Gao
13
Hao Li
13
Hongge Li
13
Jihong Hu
13
Kun Xu
13
Lixia Li
13
Qian Huang
13
Wei Wang
13
Xi Cheng
13
more ...