Undated
Fossil specimen of an insect
Unidentified photographer
[photographs, lantern slides
|
ca. 1906/1912
Fossil specimen of Panorpa a
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Phenacole
Unidentified photographer
[photographs, lantern slides
|
Undated
Theodore Cockerell and an un
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Porana te
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Vitis flo
Unidentified photographer
[photographs, lantern slides
|
ca. 1906
Fossil specimen of Lomatia a
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil type specimen of Sapi
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Castanea
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Heyderia
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of an insect
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Panax and
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Phenanthe
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil type specimen of Chlo
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Populus l
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Tipula ma
Unidentified photographer
[photographs, lantern slides
|
ca. 1906/1912
Fossil specimen of Agrion te
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Dryobius
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Calyptapi
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Pellaea a
Unidentified photographer
[photographs, lantern slides
|
ca. 1906
Fossil specimen of Microstyl
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimens of Trichoph
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Stipa lam
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Myrica di
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil type specimen of Syrp
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Rhus cori
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Phymatode
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil specimen of Pinus whe
Unidentified photographer
[photographs, lantern slides
|
Undated
Fossil type specimen of Quer
Unidentified photographer
[photographs, lantern slides
|
1909-02-17
Letter from W. M. Wheeler to
Wheeler, William Morton, 186
[letters (correspondence), a
|
1909-02-15
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|
1909-02-23
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|
1909-05-15
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|
1909-05-26
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|
1911-02-08
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|
1911-03-22
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|
1911-03-26
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|
1911-04-06
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|
1911-06-15
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|
1911-08-23
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|
Undated
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|
1912-04-11
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|
1912-05-24
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|
1913-03-06
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|
1913-04-09
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|
1913-11-22
Letter from H. F. Wickham to
Wickham, H. F. (Henry Freder
[letters (correspondence), a
|