@book {Phillips1829,
	title = {Illustrations of the Geology of Yorkshire; or, a Description of the Strata and Organic Remains of Yorkshire Coast},
	year = {1829},
	pages = {192, 14 pl.},
	publisher = {Thomas Wilson and Sons},
	organization = {Thomas Wilson and Sons},
	address = {York},
	keywords = {RCBS, TIP},
	url = {http://archive.org/details/illustrationsofg00philrich},
	author = {Phillips, John}
}
@book {Lesson1829,
	title = {Zoophytes},
	year = {1829},
	pages = {151},
	publisher = {A. Bertrand},
	organization = {A. Bertrand},
	address = {Paris},
	keywords = {SDC, TIP},
	author = {Lesson, R P}
}
