Books and chapters:

       Banks, H. P., J. W. Wells, S. E. Scheckler and J. E. Skog.  1972.  Appendix VI.  Geologic Time Distribution:  Animals and Plants.  In:  P. L. Altman and D. S. Ditmer, ed., Biology Data Book, ed. 2, Vol. I. Bethesda, Maryland.

Berg, L.R., B.E. Dutton, & J.E. Skog.  1988.  Plants: Parts and Processes.  National Geographic Society Filmstrip.  Washington, D.C.

Skog, Judith E.  1996. Pteridophytes.  IN: Dasch, E. Julius (ed.). Encyclopedia of Earth Sciences. Macmillan Reference USA, New York.  Vol. 2:891-895.

Skog, J.E. 1999. Fossil Ferns. IN: Singer, R. (ed.). Encyclopedia of Paleontology. Fitzroy Dearborn, Chicago

            Greuter, W., J. McNeill, F.R. Barrie. H.M. Burdet, V. Demoulin, T. S. Filgueiras, D. H. Nicolson, P.C. Silva, J. E. Skog, P. Trehane, N. J. Turland. 2000. International Code of Botanical Nomenclature. Koeltz Scientific Books. Konigstein, Germany.

McNeill, J., Barrie, F. R., Burdet, H. M., Demoulin, V., Hawksworth, D. L., Marhold, K., Nicolson, D. H., Prado, J., Silva, P. C., Skog, J. E., Wiersema, J. H., & Turland, N. J. (eds.) 2006. International Code of Botanical Nomenclature (Vienna Code). Adopted by the Seventeenth International Botanical Congress Vienna, Austria, July 2005. Koeltz Scientific Books, Königstein, Germany. [Regnum Vegetabile 146].