Sold as a single #5601 in 1998, part of the 12 Piece Assortment Set #5901 from 1998-2000, and part of the SM Assortment #5902 in 2001-2002.
The Western Rider & Saddle Set #702003 was available 1991-2001.
Also released in the Wood Display Shelf #5905 in 2003. This set included the Appaloosa, Clydesdale, and the Rearing Arabian. On the 2003 Retired List.