La economía del despegue hacia el crecimiento autosostenido /

Subjects:

Measures for progress : a history of the National Bureau of Standards / by Cochrane, Rexmond C.

Table of Contents: “…The tide of commerce and industry 1920-30 -- 6. The time of the Great Depression 1931-40 -- 7. …”

The Ohio State archaeological and historical quarterly /

Table of Contents: “…Hall -- Joseph Tosso, the Arkansaw Traveler / by Ophia D. Smith -- The Dairy Industry in Ohio Prior to the Civil War / by Robert Leslie Jones -- Beginnings of the Underground Railroad in Ohio / by Wilbur H. …”