Progressive Medicine. a Quarterly Digest of Advances, Discoveries, and Improvements in the Medical and Surgical Sciences

Mode of access: Internet.

Progressive democracy of James M. Cox,

Mode of access: Internet.

The Teacher's journal; a practical educational periodical for progressive teachers.

Editor: 1901- Arras Jones.

The Edinburgh new philosophical journal, exhibiting a view of the progressive discoveries and improvements in the sciences and the arts.

Vols. for Apr./July 1826- lack numbering.

Conservation and the gospel of efficiency; the progressive conservation movement, 1890-1920.

"Bibliographical note": p. [277]-282. Bibliographical footnotes.