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Authors
Author
William Henry Penning
Books
The Geology Of The N. W. Part Of Essex And The N. E. Part Of Herts: With Parts Of Cambridgeshire And Suffolk. (explanation Of Sheet 47 Of The Map (one
William Whitaker, Francis James Bennett, William Henry Penning
Field geology. With a section on palæontology, by A.J. Jukes-Browne
William Henry Penning