Wotte, Thomas, Álvaro, J. Javier, Shields, Graham A., Brown, Barry, Brasier, Martin D., and Veizer, Ján (2007) C-, O- and Sr-isotope stratigraphy across the Lower–Middle Cambrian transition of the Cantabrian Zone (Spain) and the Montagne Noire (France), West Gondwana. Palaeogeography, Palaeoclimatology, Palaeoecology, 256 (1-2). pp. 47-70.

Kasting, James F., Howard, M. Tazewell, Wallmann, Klaus, Veizer, Jan, Shields, Graham, and Jaffrés, Jasmine (2006) Paleoclimates, ocean depth, and the oxygen isotopic composition of seawater. Earth and Planetary Science Letters, 252 (1). pp. 82-93.

Shields , Graham A., and Veizer, Ján (2004) Isotopic signatures. In: Webby, Barry D., Paris, Florentin, Droser, Mary L., and Percival, Ian G., (eds.) The Great Ordovician: biodiversification event. Critical Moments and Perspectives in Earth History and Paleobiology . Columbia University Press, New York, USA, pp. 68-71.

Robb, Laurence J., Knoll, Andrew H., Plumb, Kenneth A., Shields, Graham A., Strauss, Harald, and Veizer, Jan (2004) The Precambrian: the Archean and Proterozoic eons. In: Gradstein, Felix M., Ogg, James G., and Smith, Alan G., (eds.) A Geologic Time Scale 2004. Cambridge University Press, Cambridge, UK, pp. 129-140.

Shields, Graham A., Carden, Giles A.F., Veizer, Jan, Meidla, Tõnu, Rong, Jia-Yu, and Li, Rong-Yu (2003) Sr, C, and O isotope geochemistry of Ordovician brachiopods: a major isotopic event around the middle-late Ordovician transition. Geochimica et Cosmochimica Acta, 67 (11). pp. 2005-2025.

Shields, Graham, and Veizer, Ján (2002) Precambrian marine carbonate isotope database: version 1.1. Geochemistry Geophysics Geosystems, 3 (6). 108- 113.

Ebneth, S., Shields, Graham A., Veizer, J., Miller, J.F., and Shergold, J.H. (2001) High-resolution strontium isotope stratigraphy across the Cambrian-Ordovician transition. Geochimica et Cosmochimica Acta, 65 (14). pp. 2273-2292.