John M. Nickles

1859 – 1945

• A synopsis of American fossil Bryozoa, including bibliography and synonymy
• Bibliography of North American geology, 1919-1928
• Geologic literature on North America, 1785-1918
• Geological section, St. Louis to Shawneetown
• The upper Ordovician rocks of Kentucky and their bryozoa
• A synopsis of Americal fossil Bryozoa, including bibliography and synonymy
• A synopsis of American fossil Bryozoa