The system was developed by Thomson West.

Thomson West, 2007.

In addition to the official reporters, Thomson West publishes several series of "regional reporters" which cover several states each.

Unofficial, annotated versions are published by both Thomson West and LexisNexis.

Thomson West, 3rd pocket edition, 2006, (Pocket)

The RSA is a set of law books published by Thomson West.

The annotations are value added by Thomson West.

(Eagan, MN: Thomson West, 1997), 2.08 and 2.15, courts in nearly thirty states recognized the claim by the late 1990s.

American Casebook Series, Thomson West: St. Paul, Minnesota, 2007, 558-571.

Thomson West 2008.