Westrop, S., Landing, E., Ludvigsten, R., Aitken, J., Taylor, M., 1981. Upper Cambrian and Lower Ordovician Biostratigraphy, Jasper National Park, Alberta. The Cambrian System in the southern Canadian Rocky Mountains, Alberta and British Columbia. Guidebook for Field Trip 2

Westrop, S., Landing, E., Ludvigsten, R., Aitken, J., Taylor, M., 1981. Upper Cambrian and Lower Ordovician Biostratigraphy, Jasper National Park, Alberta. The Cambrian System in the southern Canadian Rocky Mountains, Alberta and British Columbia. Guidebook for Field Trip 2Second International Symposium on the Cambrian System. Golden, Colorado, Golden, Colorado.

Landing, E., Westrop, S., 1998. Cambrian Faunal Sequence and Depositional History of Avalonian Newfoundland and New Brunswick: Field Workshop, in: Landing, E., Westrop, S. (Eds.), Avalon 1997-The Cambrian standard. Third International Field Conference of the Cambrian Chronostratigraphy Working Group and I.G.C.P. Project 366 (Ecological Aspects of the Cambrian Radiation)The University of the State of New York, Albany, New York. pp. 5-75.

Landing, E., Westrop, S., 1998. Revisions in Stratigraphic Nomenclature of the Cambrian of Avalonian North America and Comparisons with Avalonian Britain, in: Landing, E., Westrop, S. (Eds.), Avalon 1997-The Cambrian standard. Third International Field Conference of the Cambrian Chronostratigraphy Working Group and I.G.C.P. Project 366 (Ecological Aspects of the Cambrian radiation)The University of the State of New York, Albany, New York. pp. 76-87.

Landing, E., Westrop, S., 1998. Revisions in Stratigraphic Nomenclature of the Cambrian of Avalonian North America and Comparisons with Avalonian Britain, in: Landing, E., Westrop, S. (Eds.), Avalon 1997-The Cambrian standard. Third International Field Conference of the Cambrian Chronostratigraphy Working Group and I.G.C.P. Project 366 (Ecological Aspects of the Cambrian radiation)The University of the State of New York, Albany, New York. pp. 76-87.

Landing, E., 1998. Avalon 1997-A Pre-meeting Viewpoint, in: Landing, E., Westrop, S. (Eds.), AVALON 1997-The Cambrian standard. Third International Field Conference of the Cambrian Chronostratigraphy Working Group and I.G.C.P. Project 366 (Ecological Aspects of the Cambrian Radiation)The University of the State of New York, Albany, New York. pp. 1-3.

Landing, E., Westrop, S., 1998. Cambrian Faunal Sequence and Depositional History of Avalonian Newfoundland and New Brunswick: Field Workshop, in: Landing, E., Westrop, S. (Eds.), Avalon 1997-The Cambrian standard. Third International Field Conference of the Cambrian Chronostratigraphy Working Group and I.G.C.P. Project 366 (Ecological Aspects of the Cambrian Radiation)The University of the State of New York, Albany, New York. pp. 5-75.

Landing, E., Westrop, S., 2004. Environmental Patterns in the Origin and Evolution and Diversification Loci of Early Cambrian Skeletalized Metazoa: Evidence from the Avalon Microcontinent, in: Lipps, J., Wagoner, B. (Eds.), Neoproterozoic-Cambrian Biological RevolutionsPaleontological Society. pp. 93-105.

Landing, E., Franzi, D., Hagadorn, J., Westrop, S., Kroger, B., Dawson, J., 2007. Cambrian of East Laurentia: Field Workshop in Eastern New York and Western Vermont, in: Landing, E. (Ed.), S.W. Ford Memorial Volume: Ediacaran-Ordovician of East LaurentiaThe University of the State of New York, Albany, New York. pp. 25-71.

Westrop, S., Knox, L., Landing, E., 1993. Lower Ordovician (Ibexian) Trilobites from the Tribes Hill Formation, Central Mohawk Valley, New York State. Canadian Journal of Earth Sciences 30, 1618-1633.