http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
report to the Commercial club of Chicago
2 volumes : frontispiece (volumes 2, portrait) plates, double chart.
"An authorized facsimile ... produced in 1969" by University Microfilms, Ann Arbor, Michigan.
Bibliography: volume 1, page 7; volume 2, pages 7-8.