Aroostook: our last frontier; Maine's picturesque potato empire,

"An album of Aroostook personalities, by Alden Woodworth...": [15] p. following p. 199.

A short history of India and of the frontier states of Afghanistan, Nepal, and Burma /

Mode of access: Internet.

The frontier in American history,

Contains bibliographical foot-notes.

The great reconnaissance; soldiers, artists, and scientists on the frontier, 1848-1861.

Mode of access: Internet.

The Amazon: a new frontier?...

"Brazil and the United States [by] Eugene Golob": p. 89-95.

Trace organic analysis : a new frontier in analytical chemistry : proceedings of the 9th Materials Research Symposium held at the National Bureau of Standards, Gaithersburg, Maryland, April 10-13, 1978 /

Includes bibliographical references and indexes.

Science--the endless frontier : a report to the President on a program for postwar scientific research /

Mode of access: Internet.

Frontier and overseas expeditions from India.

Incorporates A record of the expeditions against the North-west frontier tribes, since the annexation of the Punjab, by W. H. Paget.

The white horse of Wootton : a story of love, sport and adventure in the Midland counties of England and on the frontier of America. /

Mode of access: Internet.

Wild Rose : a tale of the Mexican frontier /

Wolff, R.L. 19th cent. fiction,

The Punjaub and North-West frontier of India;

Mode of access: Internet.

The ranche on the Oxhide; a story of boys' and girls' life on the frontier,

Mode of access: Internet.

The ranche on the Oxhide; a story of boys' and girls' life on the frontier,

Mode of access: Internet.

Shod with silence; a tale of the frontier,

Sequel: The phantom of the river.

Frontier humor in verse, prose and picture.

Mode of access: Internet.