Survey of enterprises in the liberal, labor and radical movements in the United States, prepared for the American Fund for Public Service, Inc.,

Mode of access: Internet.

Physiologic optics : dioptrics of the eye, functions of the retina ocular movements and binocular vision /

Includes bibliographies and indexes.

The social unrest; studies in labor and socialist movements,

Mode of access: Internet.

The social unrest; studies in labor and socialist movements,

Mode of access: Internet.

Heart beat [sic] and Respiratory Movements recorded

Measuring heartbeat and respitory movements on a kymograph (source: Not Just Any Medical School by Horace W. Davenport)

Volume of Arm in relation to Circulation and Respiration

Alice Hamilton (standing) in physiological laboratory (source: Not Just Any Medical School by Horace W. Davenport) Plethysmographic measurements of the forearm as described by Sewall and Sanford ... (source: Physiology at Michigan, 1850-1923)