Isachsen, Y., Landing, E., Lauber, J., Rickard, L., Rogers, W., 2000. Geology of New York, A Simplified Account, Second Edition. New York State Museum Educational LeafletThe University of the State of New York, Albany, New York.

Landing, E., Bowring, S., Davidek, K., Rushton, A., Fortey, R., Wimbledon, W., 2000. Cambrian—Ordovician Boundary Age and Duration of the Lowest Ordovician Tremadoc Series Based on U-Pb Zircon Dates from Avalonian Wales. Geological Magazine 137, 486-494.

Adrain, J., Westrop, S., Landing, E., Fortey, R., 2001. Systematics of the Ordovician Trilobites Ischyrotoma and Dimeropygiella, With Species from the Type Ibexian Area, Western USA. Journal of Paleontology 75, 947-971. doi:10.1666/0022-3360(2001)075<0947:SOTOTI>2.0.CO;2

Geyer, G., Landing, E., 2001. Middle Cambrian of Avalonian Massachusetts: Stratigraphy and Correlation of the Braintree Trilobites. Journal of Paleontology 75, 116-135. doi:10.1666/0022-3360(2001)075<0116:MCOAMS>2.0.CO;2

Weinman, P., Landing, E., 2003. An Introduction to Invertebrate Fossils of New York. New York State Museum Educational LeafletThe University of the State of New York, Albany, New York.

Kim, D., Westrop, S., Landing, E., 2002. Middle Cambrian (Acadian Series) Conocorhyphid and Paradoxidid Trilobites from the Upper Chamberlain’s Brook Formation, Newfoundland and New Brunswick. Journal of Paleontology 76, 822-842. doi:10.1666/0022-3360(2002)076<0822:MCASCA>2.0.CO;2

Landing, E., Geyer, G., Bartowski, K., 2002. Latest Early Cambrian Small Shelly Fossils, Trilobites, and Hatch Hill Dysaerobic Interval on the Qu\ ebec Continental Slope. Journal of Paleontology 76, 287-305. doi:10.1666/0022-3360(2002)076<0287:LECSSF>2.0.CO;2

Adrain, J., Lee, D., Westrop, S., Chatterton, B., Landing, E., 2003. Classification of the Trilobite Subfamilies Hystricurinae and Hintzecurinae subfam. nov., with New Genera from the Lower Ordovician (Ibexian) of Idaho and Utah. Memoirs of the Queensland Museum 41, 55-105.

Landing, E., Westrop, S., Kim, D., 2003. First Middle Ordovician Biota from Southern New Brunswick: Stratigraphic and Tectonic Implications for the Evolution of the Avalon Continent. Canadian Journal of Earth Sciences 40, 715-730. doi:10.1139/e03-009

Landing, E., Johnson, M., 2003. Silurian Lands and Seas: Paleogeography Outside of Laurentia. New York State Museum BulletinThe University of the State of New York, Albany, New York.