http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
A statistical analysis of locational changes in manufacturing employment, 1899-1933
xii, 105 pages : frontispiece (map) ; 26 cm.
by Daniel B. Creamer; with a preface by Carter Goodrich.
Thesis (Ph.D)-- Columbia university, 1936.
Study of population redistribution, Industrial research dept., Wharton school of finance and commerce, University of Pennsylvania. Bulletin no. 3