This overview of the creation of the Panama Canal is a great online version of an exhibition at the Smithsonian Institution libraries. Historic pictures and well written text lead the user through the history of the venture. Topical sections supply information about who the major players were and how the difficult terrain and climate affected both the people and machines involved in this lengthy...

Researchers from a wide swath of disciplines will make good use of this site, which offers integrated access to well over one million research resources held by the Smithsonian Institution's libraries, archives, and associated research units. The SIRIS gateway features six large combined catalogs: Libraries, Archives & Manuscripts, Art Inventories, Juley Photographic Collection, Research...