Various, Richard H. Tedford, Andrew E. Sabin, Ian M. Tattersall, Louis N. Sorkin, Helen Hays, Lowell Dingus, Gareth Nelson, Craig A. Johnson, Andre R. Wyss, George S. Gardner, Norman I. Platnick, Michael W. Klemens, Rosemarie Gnam

1989 Spring Radio Series

1989 · Public Broadcast · American Museum Of Natural History

US · AMNH-892