Focus on Lewis : the NASA Lewis Research Center traveling photographic collection.

Mode of access: Internet.

Photographic illustrations for projection, plain or colored ... : photographic views from nature in all parts of the world : extensive collection : astronomy, light and optics, anatomy, crystallography, physics, botany, geology, geography.

Cover title.

Federated Australia : a rare and elaborate collection of photographic views, depicting sceneries, cities, industries and interesting phases of Australian life...

Mode of access: Internet.

Collection de textes pour servir à l'étude et à l'enseignement de l'histoire.

Vol. 51 issued without number.