File Astronomy, Miscellaneous illustrations Box 23 In: Alexander Winchell Papers, 1833-1891 » Visual materials
File Miscellaneous drawings Box 23 In: Alexander Winchell Papers, 1833-1891 » Visual materials » Geology
File Miscellaneous illustrations Box 23 In: Alexander Winchell Papers, 1833-1891 » Visual materials » Geology
File Fossil types, drawings by C. P. Whitfield 1 portfolio Box 23 In: Alexander Winchell Papers, 1833-1891 » Visual materials » Paleontology
File Miscellaneous illustrations Box 23 In: Alexander Winchell Papers, 1833-1891 » Visual materials » Paleontology