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- Travels in North America, in the years 1841-2; with geological observations on the United States, Canada, and Nova Scotia. By Charles Lyell.
- Geological map of the United States and Canada in 1841 - 42. Colored areas indicate geological eras, mineral and rock formations.
- Travels in Egypt, Arabia Petræa, and the Holy Land.
- Map of Egypt, Arabia Petraea and Palestine showing Dr. Olin's route. Inset of Sinai with points of interest.