Pittsburgh: Published by the authority of the Board of Trustees of the Carnegie Institute, [1911-1919]

Columbus: Ohio State University and the Ohio Academy of Science, 1906

Pittsburgh: Carnegie Institute, 1913

Princeton, N.J.: The University, 1911.

[1894-1913]

Jena, G. Fischer, 1894.

publication (1893) by Arnold Ortmann

Leipzig: C.F. Winter, 1866-1901.

Washington, D.C.: The Academy, 1906.

Pittsburgh, Board of Trustees of the Carnegie Institute, 1911-19.

Pittsburgh, etc., 1908-26

Pittsburgh: Carnegie Institute, 1905

Pittsburgh, 1921

Pittsburgh, Carnegie Institute, 1906

Pittsburgh: Carnegie Institute, 1905