@book {Morris1854,
	title = {A Catalogue of British Fossils: Comprising the genera and species hitherto described; with references to their geological distribution and to the localities in which they have been found},
	year = {1854},
	pages = {372},
	publisher = {John Morris},
	organization = {John Morris},
	edition = {2},
	address = {London},
	keywords = {RCBS, TIP},
	url = {http://books.google.com/books?id=9q4HZzDvF8QC},
	author = {Morris, John}
}
@book {Morris1843,
	title = {A Catalogue of British Fossils. Comprising all the genera and species hitherto described; with references to their geological distribution and to the localities in which they have been found},
	year = {1843},
	pages = {222},
	publisher = {John van Voorst},
	organization = {John van Voorst},
	address = {London},
	keywords = {RCBS, TIP},
	url = {http://books.google.com/books?id=FanfwEarq2sC},
	author = {Morris, John}
}
