Photograph sources

For full citations for these works, see the Bibliography.

Figure 1: Wood, plate 16.
Figure 2: Newhall, plate 1.
Figure 3: Kasson, plate 175.
Figure 4: Sobieszek, plate 8.
Figure 5: Sobieszek, plate 46
Figure 6: Sobieszek, plates 23 & 24.
Figure 7: Rudisell, plates 188 & 189.
Figure 8: Shimshak, plate 48.
Figure 9: Rudisill, plate 172.
Figure 10: Wood, page 96.
Figure 11: Wood, page 92.
Figure 12: Rudisill, plate 195.
Figure 13: Rudisill, plate 193.
Figure 14: Newhall, plate 70.
Figure 15, Williams, page 25.
Figure 16: Williams, color plate IV (after page 103).
Figure 17: Williams, page 74.
Figure 18: Rudisill, plate 93.
Figure 19: Newhall, plate 67.
Figure 20: Newhall, plate 16.
Figure 21: Jensen, page 30.
Figure 22: Shimshak, plate 11.
Figure 23: Wood, plate 35.
Figure 24: Sobieszek, plate 30.
Figure 25: Sobieszek, plate 4.