Alternative form of quasi-stellar radio-source

plural of quasi-stellar radio source

Alternative spelling of source code

plural of sourcebook

A book consisting of a collection of writings on a particular subject. / (video games) A publication intended to supplement the core materials of a roleplaying game.

Without a source.

In a sourceless way; without a source.

That can be sourced (located, obtained).

(education) historical work emphasising the use of sources

One who sources something.