An early written reference to the new town occurs in 1573.

An early written reference to Alcorcón is in a medieval document that dates from 28 July 1208.

However, another early written reference to the Shetland islands may have been when Tacitus reported that the Roman fleet had seen "Thule" from Orkney in AD 98.

One sheet bore a short, written reference that said, "Model."

The Bible is the primary written reference used by members of the Center.

The Diolkos remained reportedly in regular service until at least the middle of the 1st century AD, after which no more written references appear.

Ear piercing is one of the oldest known forms of body modification, with artistic and written references from cultures around the world dating back to early history.

Another early written reference to the mountain, this time as the Brackenberg, appears in 1490 in a letter from Count Henry of Stolberg.

Since the book's release, visual and written references, including satires and parodies, have shown up in popular culture media.

Even so, there is no written reference to the game in London until 1680.