John Milton Nickles

Upper Ordovician Rocks of Kent

Upper Ordovician Rocks of Kentucky and Their Bryozoa

2022

Synopsis of American Fossil Bryozoa, Including Bibliography and Synonymy

2018

Bibliography of North American Geology for 1914 with Subject Index

1915

Bibliography of North American Geology for 1912: With Subject Index

1913

Bibliography of North American Geology for 1910 with Subject Index

1911

Bibliography of North American Geology for 1909 with Subject Index

1910

Bibliography of North American Geology for 1906 and 1907: With Subject Index

1909