by Fish, Carl Russell
Published in The American Historical Review (01.07.1917)

by Paxson, Frederic L.
Published in The Mississippi Valley Historical Review (01.09.1917)

by Alschuler, Samuel, V Everit Macy, Coolidge, Louis A, Berres, A J
Published in Monthly review of the U.S. Bureau of Labor Statistics (01.05.1918)

by Macy, V Everit, Coolidge, Louis A, Berres, A J, Roosevelt, Franklin D
Published in Monthly review of the U.S. Bureau of Labor Statistics (01.03.1918)