Szabo, J.P., 1997, Nonglacial surficial processes during the Early and Middle Wisconsinan substages from the glaciated Allegheny Plateau in Ohio: Ohio Journal of Science, v. 97, p. 66-71.

Szabo, J.P. and Bruno, P.W., 1997, Interpretation of lithofacies of the Ashtabula Till along the south shore of Lake Erie, northeastern Ohio: Canadian Journal of Earth Sciences, v. 34, p. 66-75.

Szabo, J.P. and Totten, S.M., 1995, Multiple pre-Wisconsinan glaciations along the northwestern edge of the Allegheny Plateau in Ohio and Pennsylvania: Canadian Journal of Earth Sciences, v. 32, p. 2081-2089.

Hofer, J.W. and Szabo, J.P., 1993, Port Bruce ice-flow directions based on heavy mineral assemblages in tills from the south shore of Lake Erie in Ohio: Canadian Journal of Earth Sciences, v. 30, p. 1236-1241.

Clark, P.U., Clague, J.J., Curry, B.B., Dreimanis, A., Hicock, S.R., Miller, G.H., Berger, G.W., Eyles, N., Lamothe, M., Miller, B.B., Mott, R.J., Oldale, R.N., Stea, R.R., Szabo, J.P., Thorleifson, L.H. and Vincent, J.S., 1993, Initiation and development of the Laurentide and Cordilleran ice sheets following the last interglaciation: Quaternary Science Reviews, v. 12, p.79-114.

Szabo, J.P., 1992, Reevaluation of Early Wisconsinan stratigraphy of northern Ohio: in Clark, P.U. and Lea, P.D., (eds), The Last Interglacial-glacial transition in North America: Geological Society of America Special Paper 270, p. 99-107.

Szabo, J.P.and Totten, S.M., 1992, Glacial dispersal rejuvenation on the Allegheny Plateau, north-central Ohio, based on till carbonate patterns: Journal of Sedimentary Petrology, v. 62, p. 1044-1053.