- Электронная книгаPrinciples of Geologyor, The Modern Changes of the Earth and its InhabitantsConsidered as Illustrative of GeologyCharles Lyell
- Электронная книгаA Manual of Elementary Geology or, The Ancient Changes of the Earth and its Inhabitants as Illustrated by Geological MonumentsCharles Lyell
- Электронная книгаThe Student's Elements of GeologyCharles Lyell
- Электронная книгаGlossary of Geological and Other Scientific Terms Used in the Principles of GeologyCharles Lyell
- Электронная книгаPrinciples of Geology, Volume 2Charles Lyell
- Электронная книгаThe Antiquity of ManCharles Lyell
- Электронная книгаThe Antiquity of ManCharles Lyell
- Электронная книгаСерия: «Harvard Classics»Charles W. Eliot
- Электронная книгаHarvard Classics Volume 38Hippocrates