Studies of airplane spray-deposit patterns at low flight levels,

Mode of access: Internet.

Output of factories processing farm food products in the United States, 1909-1958 /

Caption title.

WOMEN WORKERS IN FACTORIES; A STUDY OF WORKING CONDITIONS IN 275 INDUSTRIAL ESTABLISHMENTS IN CINCINNATI

Mode of access: Internet.

Fields, factories, and workshops,

Mode of access: Internet.

The law relating to factories and workshops (including laundries, railways, and docks) ... /

Includes bibliographical references.

View of Ann Arbor taken from an airplane by Philip R. Wheeler

Taken just south of University School looking north