Authors: Loeblich, Alfred Richard --- TAPPAN, Helen --- BECKMANN, J. P. --- Bolli, Hans M. --- Montanaro Gallitelli, Eugenia
Year: 1957 Publisher: Washington : Smithsonian Institution Press,

Authors: Bayer, Frederick M. --- Boschma, Hilbrand --- Harrington, Horacio J. --- Hill, Dorothy J. --- Hyman, Libbie Henrietta --- et al. Lecompte, Marius H. --- Montanaro-Gallitelli, Eugenia H. --- Moore, Raymond C. --- Stumm, Erwin Charles --- Wells, John W.
Year: 1956 Publisher: Lawrence University of Kansas Press ; New York : Geological Society of America