Some speculate that they are the people described in Chinese sources as the Wusun.

The avoidant personality has been described in several sources as far back as the early 1900s, although it was not so named for some time.

The contrasting and complementary character of the two Wadsworth brothers is described in contemporary sources.

Its unusual design is described in literary sources, which also list the ritual ingredients it might contain.

They may have been identical with the people described in Chinese sources as the Wusun.

These are mainly described in foreign sources (Frankish) and through legends.

For instance the Italian "medium" tanks are often described as "light" in other sources.

This section outlines the main characteristics of the Fox variant, which is the most completely described in published sources.

This article has discussed the main classes of guitar tunings which have been described in reliable sources.

"Modern" steel jaw-traps were first described in western sources as early as the late 16th century.