What is "pseudonyms"

Usage examples of "pseudonyms".

It hard to say because so much of his early stuff appeared under pseudonyms of one sort or another, but an undoubted story of his appeared in 1941 when he was twenty-one.

Another thing in her favor was the inherent difficulty ancients seemed to have in understanding the importance of technology, which to her meant commissioning a computer database, based on her own design, that could access and cross-reference real estate records, land titles, newspaper reports, census information, birth and death certificates, and maps, scanning them for known identities and pseudonyms of the so-called Ruling Class.

Richard Roe and John Doe, legal pseudonyms used by the Court to describe unidentified people in a legal warrant.