Here’s a page with some errata and clarifications for Warhammer Ancients’ Alexander The Great book.
Jeff Jonas has an article on using war machines in Warhammer Ancient Battles. There are some nice pictures of painted Roman war machine models, and a good discussion of their use by the legions.
The Othismos ancients wargaming blog has a Warhammer Ancients scenario for the battle of Sepeia, fought in 494 BC between the Spartans and Argives.
Here’s an article on Late Medieval Bosnian Armies for Warhammer Ancient Battles.
Inquisitor was game produced by Games Workshop set in the Warhammer 40K Universe. Curiously, it used 54mm figures.
The game is out of print, but a rules archive is at the link.