Foulke, Roy Anderson, 1896- The sinews of American commerce [electronic resource] / [by] Roy A. Foulke ... Published by Dun & Bradstreet, inc., on the occasion of its 100th anniversary, 1841-1941.. — [New York,, 1941]. — 8 p. l., 3-418 p., 1 l. incl. tables. : front., plates, port., facsims., diagr. 26 cm.
"Bibliographical references" at end of most of the chapters.